Answer: B) Turbidity currents
Explanation: Turbidity currents are large scale water movements which picks and carries different particles in the form of sand,rocks,minerals and other materials which are poorly sorted as it flows to the point of depositon.Turbidity currents contain particles of different sizes, types and shapes as it flow,as it picks larger particles it's speed continue to Turbidity currents are caused my geological movements, earthquakes and cracked slopes. Other options don't carry as much variety of materials as Turbidity currents.
Final answer:
Glaciers deposit poorly sorted sediments with a variety of minerals due to their ability to carry an unsorted mixture of materials, leading to glacial till upon melting.
Explanation:
Sediments which are poorly sorted and composed of a variety of minerals could have been deposited by glaciers. This is because glaciers can carry a mixture of sediment sizes as they move, and when a glacier melts, it deposits an unsorted mixture of materials ranging from fine clay to large boulders, known as glacial till. Wind-blown sands, characteristic of eolian deposition, would be well-sorted, as the wind can only transport finer particles. Turbidity currents could also deposit poorly sorted sediments in the form of turbidite sedimentary deposits, but these are typically sorted by density due to water transport. Rivers in deltas and volcanic eruptions can create unsorted deposits, but to a lesser degree compared to the distinct chaotic mixture of a glacial deposit.
Which of the earth-system scientist's roles is best illustrated by this paragraph?
Suppose an electric-generating power plant is about to be built near your house. The local government has not decided whether to allow coal, nuclear, or oil as fuel for the plant (natural gas is not an option). Some groups argue coal is the best choice because there is a 200-year supply and using coal reduces our dependence on foreign oil. Critics argue that burning coal produces three times more global-warming gasses than oil. Coal also produces more dust and expels more acid-rain-causing gases than oil. Others argue that nuclear-generated power produces no greenhouse gases and no other atmospheric pollution. Critics argue that there is presently no long-term location to store the radioactive waste that will be generated and question the safety of nuclear power. Over the life of the plant, nuclear is the least expensive option, followed by coal and then oil.
A. Alerting public of natural hazards
B. Use of earth resources
C. Health of the environment
D. Informing society
Answer: D. Informing society
Explanation:
Earth System science is the study of the environment that specializes in forecasting changes in the weather and climate, environmental hazards and mineral extraction. The roles of scientists who practice this field of science include:
Informing society: the above paragraph informs society, by outlining the options available for powering the plant, and comparing their benefits and disadvantages.
Alerting public of natural hazards: is concerned with discovery of natural hazards, monitoring these hazards and coming up with preventive strategies.
Use of earth resources and Health of the environment: explores how natural resources can be extracted with less impact on the environment and how to make the most efficient use of these resources.
Why were Europeans eager to create supranational organizations after WW2?
Answer: To prevent future wars and check the growth of communism
Explanation:
In a supranational organization, the ability of nations to affect decisions goes beyond the limit of their nation's borders, they act as a part of a larger body aiming to achieve a common goal for all its members. The European Union and the African Union are examples of supranational organizations.
These organizations create a uniting force between member countries through trade, environmental protection or food production practices, thereby, preventing war and diverging ideas contrary to the shared value of the group such as communism, which was a threat to nations immediately after World War II.
Post World War II, Europeans aimed to create supranational organizations like the United Nations, NATO, and the European Union to ensure international peace, create stability, deter aggression, and closely tie their economies to prevent further wars.
Explanation:After World War II, Europeans were eager to create supranational organizations such as the United Nations and the North Atlantic Treaty Organization (NATO) to ensure international peace and stability and deter any aggressive actions like those that had led to two devastating world wars.
In addition, the formation of the European Union (EU) served as a means to tie European economies more closely together, with the aim of preventing another devastating war. The EU started with a free trade association, evolved into a common market, and then transformed into a full economic union. It introduced a common currency, the euro, and phased out most of the former national forms of money, a clear illustration of the scope and success of these post-WWII supranational institutions.
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Can you determine what types of igneous rock share the same mineral composition, but are different in texture, and are therefore different rocks?
Answer:
The rocks that share te same mineral compsition but are different in texture are:
Rhyolite, Diorite, Gabbro and Peridotite
Granite and rhyolite, as well as gabbro and basalt, are examples of igneous rocks with the same mineral composition but different textures due to the different conditions under which they cool and solidify.
Explanation:Yes, you can figure out which types of igneous rocks share the same mineral composition but have different textures and therefore are different rocks. An excellent example of this is the difference between granite and rhyolite, or gabbro and basalt. Granite and gabbro are both intrusive igneous rocks, meaning they cool and solidify below the Earth's surface, resulting in large, visible mineral crystals due to slow cooling. Alternatively, rhyolite and basalt are extrusive igneous rocks, meaning they solidify quickly above the Earth's surface after volcanic eruptions, resulting in small, fine crystals due to rapid cooling.
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If you bought an old house and while remodeling it found that its floor was raised off the ground by huge stones, you could assume that the original builder of the house could be from which folk region:
Answer:
Lowland south
Explanation:
The lowland south people were historical and cultural region of Scotland,they usually build houses whose floor is raised off the ground by huge stones
What were the major programs enacted during the New Deal? What were their goals? Did they succeed? How were they received by the American people? The Supreme Court?
The major programs are the civilian conservation corps, the civil work administration, the social security administration, the farm security administration.
Explanation:
The New Deal was enacted in the United States of America by the president Roosevelt. The major programs enacted in this were the civilian conservation corps, the social security administration, the farm security administration, the civil work administration and some more. These programs were very successful in providing support to the unemployed people, to the farmers. Safe guarding the banking system was also a part of this. This reached the people in the form of incentives to the people in the form of employment and other forms of relief.Traveling southward from the Arctic regions of Canada to the tropics of Panama, one passes through several biomes - tundra, coniferous forest, temperate deciduous forest, and tropical rain forest. This pattern of change in vegetation is primarily the result ofa. Primary and secondary successionb. An increase in both mean annual temperature and mean annual precipitation c. An increase in the total annual hours of sunlightd. The invasion of exotic species
Answer:
Explanation:
This pattern of change in vegetation is primarily the result of because an increase in both mean annual temperature and mean annual precipitation.The vegetation changes with changes in temperature from traveling southward from the Arctic regions of Canada to the tropics of Panama, Temperature and the precipitation both increase which is better from vegetation growth.
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Considering the question above, this pattern of change in vegetation is primarily the result of an "increase in both mean annual temperature and mean annual precipitation."
This is because the annual temperature is defined by the amount of sunlight, while annual precipitation is defined by the amount of rainfall.Both rainfall and sunlight are the primary agents of vegetation.Therefore, an increase in both rainfall and sunlight throughout the year will affect the vegetation.Hence, in this case, the correct answer is option B "An increase in both mean annual temperature and mean annual precipitation"
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The North American generic toponym "bayou" is associated with the early colonization of the:
Answer:
English.
Explanation:
Bayou is a term that is used in the united states and is the body of water that is typically found in a low lying area and is an extremely slow-moving stream of a river or a marshy lake or a wetland. Landmass became the city of the new Orleans that was formed in 2200 B.C when the Mississippi river deposited silts creating a delta region. Before which the Europeans inhabited the north America some 1300 years ago and became an important trade route.Calcium carbonate, phosphates, and manganese may precipitate out of solution to form deposits on the ocean floor.
A. True
B. False
Answer:
A. True
Explanation:
The marine sediments that are originated for the warm tropical oceans surface create deposits in the deep water are primarily composed of the calcium carbonate phosphorus and magnesium and they are deposited through the oozes and the organism that are like the polyps.The problems with industrialized agriculture are discussed in the book and include dangerous chemicals, weather susceptibility, large amounts of energy and health risks. Taken all together, these problems add significantly to the:a. dramatic increases in poverty worldwide.b. shrinking numbers of people who are able to till the soil for a living.c. expanding human ecological footprint.d. increased dependency on fossil fuels.
Answer:
My answer would be A. Dramatic increases in poverty worldwide.
Explanation:
A/An ____________________ ____________________ is a long narrow trough in the sea floor formed where a portion of an oceanic plate sinks into the mantle
Answer:
steep–sided depression
A subduction zone is a long narrow trough on the sea floor where an oceanic plate sinks beneath another plate, forming deep trenches like the Mariana Trench. The option (D) is correct.
This occurs when a dense oceanic plate meets a more buoyant plate, and the denser one is forced to descend beneath the other into the earth's mantle, creating a trench on the ocean floor.
This process also involves pulling the ocean floor down into a trench, which can be significantly deeper than the average ocean basin. The Mariana Trench, for example, is a notable trench that reaches a depth of approximately 11 kilometers, making it the deepest part of the ocean floor.
This question is not complete, Here I am attaching the complete question:
A/An ____________________ ____________________ is a long narrow trough in the sea floor formed where a portion of an oceanic plate sinks into the mantle
A) Abyssal Plain
B) Oceanic Ridge
C) Subduction Zone
D) Continental Shelf
A type of continuous, snail-like rock movement that occurs along parts of the San Andreas Fault is called ____________________ ____________________.
Answer:
fault creep
Explanation:
A type of continuous, snail-like rock movement that occurs along parts of the San Andreas Fault is called fault creep
Which statement best describes a relationship between World War I and the Bolshevik Revolution?
A. World War I postponed the revolution in Russia by restoring confidence in the Czar.
B. World War I gave the Czar’s army the needed experience to suppress the revolution.
C. Opposing Russian forces cooperated to fight the foreign invaders.
D. World War I created conditions in Russia that helped trigger a revolution.
Answer:
D. World War I created conditions in Russia that helped trigger a revolution.
Explanation:
During World War I, Vladimir Lenin grouped up with the Bolshevik party to overthrow Tsar Nicholas II. This was due to the fact that Germany recruited Lenin to overthrow Nicholas II and take Russia out of the war.
The hardships faced by Russia during World War I, including military losses, food shortages, and economic strain, created the conditions that helped trigger the Bolshevik Revolution.
Explanation:
The best statement that describes a relationship between World War I and the Bolshevik Revolution is D. World War I created conditions in Russia that helped trigger a revolution. The strains of World War I produced widespread economic hardship and political discontent, fueling a deep-seated desire for change among the populace. The heavy losses suffered by the Russian army, coupled with food shortages and an economy strained by the war effort, led to widespread social unrest, creating the conditions for the rise of the Bolsheviks and the subsequent revolution.
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You are walking on the beach along the south-coast of Alaska. You see rocks cut by numerous faults that consist of basalt with evidence of eruption in the ocean, deep-water chert, mudstone, and sandstones with abundant volcanic material. What tectonic setting would you assign to these rocks?
A) passive continental margin sequenceB) forearc basinC) accretionary wedgeD) continental interior basin
Answer:
C. Accretionary wedge
Explanation:
Accretionary wedge is the tectonic setting that i will assign to the rocks as accretionary wedge can be best described as a mass of materials scraped off an area of oceanic crust and piled up at the edge of the overriding plate.
Companies are burning coal through combustion to produce electricity. The amount of electrical energy produced is less than the amount of stored potential energy found in coal. Which best explains this observation?
Answer:
Potential energy in the coal gets transformed to electricity
Explanation:
As when coal has burned the conversion of the energy takes place and the chemical energy in coal s converted into the electrical energy and thus heat is produced an is used to run the steam power engines. So as the heat energy derived from the coal is converted to kinetic and kinetic is converted to mechanical and this mechanical is coveted to electrical energy to further run the machines thus energy is not destroyed it only transfers.Answer:
Some of the potential energy in the coal is converted into heat energy.
Explanation:
I did the answer and got it right!
The Pacific Ring of Fire is the seismically active area at the margins of the Pacific plate where earthquakes and volcanoes are common. a. True b. False
Answer: True
Explanation:
The answer is true because the ring of fire is the major area in the Pacific Ocean where most earthquakes and even volcanic eruptions take place.
It is also believed that over 80% of the world’s earthquakes takes place here and it’s the home to the very big earthquakes as well.
Wondering what causes the ring of fire? It’s due to plate tectonics and these are monitored in different countries including Bolivia, Chile, Ecuador, Peru, Costa Rica, Russia , Japan among others by their respective authorities.
The mixture of gravel, sand, and crushed stone called ______ is an extremely useful construction material.
Answer:
aggregate
Explanation:
Aggregate is a construction material mixture of gravel, sand, and crushed stone used extensively in concrete production. Concrete has been used for centuries and has become more predictable in the last 100 years. Specialized aggregate like sand is also crucial for glass making.
The mixture of gravel, sand, and crushed stone referred to within the question is known as aggregate, a key component in the production of concrete. Concrete is a construction material with a history stretching back to Roman times, where it was developed as a mixture that hardens over time and operates similarly to stone. This material is critical for its various uses in construction, from large projects like concrete dams to something as simple as filling a child's sandbox. Additionally, specialized forms of aggregate, like sand, is essential in industries like glass making, although higher purities are required for certain types of glass and electronics.
Where warm, moist, unstable mT air seldom penetrates, such as along the west coast of the United States, ________. there are many thunderstorms there are very few thunderstorms there is no humidity in the air there is an excess of humidity in the air
Answer:
there are very few thunderstorms
Explanation:
Maritime tropical air masses that influence the weather of the western coastal areas of the America starts in the Caribbean Sea, then to the southern Gulf of Mexico, and the tropical Atlantic east of the Florida and the Bahamas. Maritime tropical air masses are moist and unstable. While the continental dry air mass consisting of the hot and arid climates of the southwest, thus their interaction creates occasional thunderstorms.Answer:
That there are very few thunder storms
Explanation:
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What is the name of one wind system you can use to travel around Earth?
Answer:
a sailboat?
Explanation:
You can sail a ship around this world even against the wind using wind energy. By picking up speed using wind then use kinetic energy gained to sail against the wind direction. So, yes, even with one wind direction we can sail the globe both ways.
Answer:
geotropic wind.
Explanation:
There are winds because there are differences in pressures. The direction of wind is also affected by coriolis affect. Due to Coriolis Force, the wind flowing from equator towards the North Pole and from North Pole towards the equator are deflected to their right while the winds flowing north-south and south-north in the southern hemisphere are deflected towards their left. The magnitude of the deflection, or “Coriolis effect,” varies significantly with latitude. The Coriolis Effect is zero at the equator and increases to a maximum at the poles. The effect is proportional to wind speed; that is, deflection increases as wind strengthens. The resultant balance between the pressure force and the Coriolis force is such that, in the absence of surface friction, air moves parallel to isobars (lines of equal pressure). This is called the geotropic wind.
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You are watching TV with a friend when there is a special bulletin about a city in California being devastated by an earthquake. The news anchor reports that the epicenter of the earthquake is 45 miles east of Los Angeles. How would you explain the definition of the epicenter to your geologically impaired friend?A. The location on the Earth's surface directly above the point of slippageB. The exact location on the fault where slippage occursC. The contact point between two tectonic platesD. The location of migrating magma in the crust
Answer:
A. The location on the Earth's surface directly above the point of slippage
Explanation:
Epicentre is a point from which earthquake waves generate to its surroundings
Which of the following describes the majority of white Northerners who moved to the South during Reconstruction?
Answer:
Carpetbaggers:
Due to financial and political gains a number of northern migrated to the southern region of the US in the era called as reconstruction era. It was time when the people living in the south had enmity for the Republicans of the north who migrated to the south.The people who migrated towards the southern region were then named as carpetbaggers.
Explanation:
As the the people present in the south were called as Scalawags, together they helped the black community to gain freedom. As they worked in cooperation with all the parties present at that time.
The toponym "center," is most strongly associated with which North American dialect region?
Answer:
Northern.
Explanation:
The northern American center toponym is associated with that of the northern dialect and is thus a strongly used language of this place and hence forms the regional dialects.You are in mid-latitudes in winter. You experience heavy snow followed by a dramatic drop in temperature as a cold front passes, but for almost 24 hours the weather is clear. Then, high clouds appear in the west, thicken to stratus clouds and you receive a light new snowfall (aka snow flurries) but the temperature remains cold.
You have just seen the passage of:
A) a second cold front
D) a warm front
C) an occluded front
D) None of these
Answer:
C
Explanation:
Cold fronts move faster than warm fronts, they can catch up to and overtake their related warm front. When they do, an occluded front is formed.
Occluded fronts are signs of mature storm systems (i.e., those about to dissipate).
The type of occlusion that is the most common normally occurs in North America is called a cold-front occlusion and it occurs when the cold front forces itself under the warm front.
Oceanic crust spreads at ____1_______, creating new crust and slowly enlarging the ocean basin. _____2_______ are deep valleys at passive continental boundaries. They are likely eroded by ____3____, which occur when sediment-laden water rapidly moves down slope. Melt from the subducting plate rises to the surface, erupts through the crust on the overriding plate and forms _____4_______ on continents, or ____5________in the ocean.
Answer:
1. Mid-ocean ridges.2. Submarine canyons.3. Turbidity currents.4. Continental volcanic arcs.5. Volcanic island arcs.Explanation:
The new oceanic crusts are created in the mid-oceanic ridges and the oceanic submarine canyons are those that are enlarged by sedimentary basins and the occurrence of the turbidity of the current leads to the formations of sediment-laden water and that rapidly moves down the continental slopes and has vertical walls. The continental arcs form in the areas of the continental zones and here the continental crust gets subducted. And in a similar way, the volcanic islands arcs are formed in the oceans.In the 1800s Lord Kelvin estimated the age of the Earth, utilizing a number of assumptions.
Which wrong assumption was the primary reason why his estimate (approximately 20 million years) was so wildly inaccurate?
A. that the Earth was once hotter than it presently is today
B. that the Earth may have been molten when first formed
C. that no new heat has been added to the Earth since its initial formation
D. that the Earth would lose heat over time through radiation into outer space
Answer:
B. that the Earth may have been molten when first formed
Explanation:
In 1800 the lord kelvin estimated the age of the earth and it provides to be about 100 million years and was made in appreciation of the scientific discoveries. And he calculated this to the age of the earth with the help of the thermal gradients ad realized that the earth mantel was converting and he invalidated its estimates. And has initially accepted the earth age to be 100 million as old as e believed that the geologic process can complete their word within a time frameworks and the 20 years was insufficient."The correct answer that was wrong and led to Lord Kelvin's inaccurate estimate of the Earth's age is C. that no new heat has been added to the Earth since its initial formation.
Lord Kelvin's estimate of the Earth's age was based on the assumption that the Earth started as a molten sphere and has been cooling down ever since through the process of heat conduction and radiation into outer space (assumption D). He used the thermal conductivity of rocks and the temperature gradient in the Earth's crust to calculate the rate at which the Earth was cooling. By extrapolating this rate back in time, he estimated that the Earth could not be more than 20 to 100 million years old.
However, Kelvin's calculations did not take into account the fact that the Earth has internal sources of heat, which means that assumption C was incorrect. The discovery of radioactivity by Henri Becquerel in 1896, and the subsequent realization that radioactive decay in the Earth's interior generates significant amounts of heat, was a key factor that Kelvin did not consider. This radioactive decay provides an ongoing source of heat, which means that the Earth is not cooling down as quickly as Kelvin's model assumed.
The other assumptions listed are generally accepted as true:
A. The Earth was indeed hotter in the past, which is consistent with the theory of a once-molten Earth that has been gradually cooling.
B. It is widely accepted that the Earth was molten when it first formed, due to the heat generated by the accretion of material, the formation of the core, and the release of gravitational potential energy.
D. The Earth does indeed lose heat over time through radiation into outer space, but this is counteracted by the internal heat generation from radioactive decay.
Therefore, the primary reason for the inaccuracy in Kelvin's estimate was the omission of the continuous input of heat from radioactive decay within the Earth, which makes the Earth much older than his calculations suggested. Current estimates put the age of the Earth at about 4.54 billion years, based on radiometric dating of meteorites and rocks, which aligns with the age of the solar system."
32. Most igneous activity takes place ____________.
a. underground
b. above ground
Answer: A
Explanation:
"Igneous rock, any of various crystalline or glassy rocks formed by the cooling and solidification of molten earth material." Because igneous rocks are formed by the solidification of magma or molten earth material, most of the activity will take place underground as magma is beneath the Earth's surface.
Answer:
The correct answer for this question is A. Underground
Explanation:
Most of the igneous activity takes place under the tectonic plates and it is an ongoing process. It happens all the time.
Bullfrog tadpoles are often sold as fish bait, even in areas where they do not occur naturally. When people buy 10 of them and don't use them all, they often dump the remainder into the lake or river. This is an example of ________.a. habitat destructionb. extirpationc. inbreedingd. overharvesting of species from the wildan e. intentional introduction species
Answer:
This is an example of e. intentional introduction species
Explanation:
The bullfrog tadpoles mentioned in the question "are dumped into the lake or river". This illustrates an introduction of a species into a new habitat.
The concept of introduction of species illustrates how by human activity, species arrive at an environment that is not their original habitat.
This is what the question is talking about and hence, that is the correct answer.
Cyanobacteria are believed to generate the majority of oxygen gas in Earth’s atmosphere. What allows them to produce oxygen?
a. photosynthesis in which H2S is the electron source.
b. photosynthesis in which water photolysis produces H , e , and O2.
c. bacteriorhodopsin-based photosynthesis.
d. all of the above.
e. none of the above.
Answer:
b. photosynthesis in which water photolysis produces H , e , and O2 is the correct answer.
Explanation:
Cyanobacteria is the oxygenic microbes that produce oxygen by a process called photosynthesis.Photolysis is the process by which water molecules split into oxygen and hydrogen during the light reaction of the photosynthesis process.Cyanobacteria produce their food by photosynthesis.Cyanobacteria has chlorophyll that converts carbon dioxide to sugar by carbon fixation.Cyanobacteria perform photosynthesis by using carbon dioxide, sunlight, and water to produce oxygen and carbohydrates.Thus cyanobacteria utilize the energy from light to split the water molecule and produces H, e , and O2.
Cyanobacteria produce oxygen through photosynthesis, specifically through the photolysis of water, generating hydrogen, electrons, and releasing oxygen into the atmosphere.
Explanation:Cyanobacteria generate the majority of oxygen gas in Earth’s atmosphere through a process called photosynthesis. Specifically, the option 'b. photosynthesis in which water photolysis produces H , e , and O2' is the correct answer. Cyanobacteria, like other photosynthetic organisms, perform photosynthesis using light energy to convert water and carbon dioxide into glucose and oxygen. During this process, water is split (photolysis) into hydrogen, electrons, and oxygen.
The generated hydrogen and electrons are then used to create complex organic molecules, like glucose, and the oxygen produced as by-product, is released into the atmosphere. Cyanobacteria, one of the earliest life forms, have contributed significantly to the current oxygen-rich atmosphere we have on Earth.
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Water currents along the coastline of Chile pull up deep water that is __________.
a. warm and high in nutrients
b. cold and high in nutrients
c. cold and low in nutrients
d. warm and low in nutrients
Answer:
B - cold and high in nutrients.
Explanation:
Listed following are characteristics that can identify a planet as either terrestrial or jovian. Match these to the appropriate category. View Available Hint(s) Reset Help relatively hot non-spherical, oblate orbits are very spread out from each other all have magnetic fields very massive generally spin slowly orbit the Sun quickly A) Terrestrial planets B) Jovian planets
Answer:
A) Terrestrial planets: accreted from planetesimals of rock and metal & surfaces dramatically , altered during the , heavy bombardment
B) Jovian planets: formed in regions cold enough for water to freeze , large moons formed in surrounding disks of material , formed in a region of the solar system with lower orbital speeds.
Explanation:
The formation of the terrestrial and the Jovian planets is different as they are formed by the rocks and that is formed by the gases and thus have different gravity and different density as they have lots of moons and are formed away from the habitability zone of the terrestrial planets like the earth, they present in far outer space.The term blanching, used to describe localized cold injury, means the tissue has turned to which of the following colors?
A. Blue or purple
B. White or lighter
C. Red
D. Black
The correct answer is B. White or lighter.
Explanation
Blanching occurs as tissue turns white or has a lighter color as a result of inappropriate blood flow. One of the main causes of blanching is lesions produced by cold as low temperatures produce reduced blood flue and therefore, this lesion produces blanching. This has symptoms such as tingling sensation, numbness, and even issues to move the limb or part of the body that has been exposed to cold. Additionally, this lesion should be treated by using external heating; although, in severe cases, the tissue might be irreversibly affected. So, the correct answer is B. White or lighter