Answer:
False
Explanation:
Sea urchin do not overgraze or change the kelp bed uttering the marine community.
When large supercooled water droplets (SLD) are present in temperatures below +5°C, outside air temperature, what type of icing would be expected to form?
Answer:
ice that is glossy, clear, or translucent
Explanation:
A substance is seen can see clear or transparent when visible light can pass through it without being absorbed, reflected or dispersed too much. Water absorbs some wavelengths of light, but mainly non-visible light. For example, if our eyes allowed us to see ultraviolet wavelengths, then the water would not be transparent. This explains why liquid water is clear, but then why is ice not? Except in high-level bars and cocktail bars, where the cubes seem to be carved out of glass, it is difficult for mere mortals to remove a piece from the freezer that does not have something opaque or cloudy.
Because the ice cubes we make usually come from tap water, there are many "impurities" there. When the water begins to freeze, these and the air bubbles "run away" to the liquid that has not yet frozen. Therefore, the opaque part is always where the water freezes later (sometimes it occurs at the bottom, depending on the freezer). And, since light cannot travel in a straight line through ice due to impurities, it appears cloudy.
To create ice cubes of crystalline category, the key is to freeze the water very slowly so that the impurities and the air bubble have the opportunity to rise to the surface and, in the case of air, escape. A slow freeze also allows larger ice crystals to form, which have few surfaces to scatter light. It is also a physical phenomenon when, for example, when large drops of supercooled water (SLD) are present at temperatures below + 5 ° C, transparent or translucent ice is also generated. Some also point out that it is convenient to boil water before, but this does not always work.
The skeletal system is made up of cartilage, tendons, and ligaments. Which body part is also part of the skeletal system? Joints bones sweat glands skin
Final answer:
Bones are part of the skeletal system which also includes cartilage and ligaments. The ribs protect the heart and lungs, and the skull protects the brain.
Explanation:
The skeletal system is made up of bones, cartilage, and ligaments. Among the options provided, bones are also a part of the skeletal system, which includes all the bones of the body.
Joints are where two or more bones meet and allow for movement, and while they are associated with the skeletal system, they are not a unique structure like bones, but rather the connection points between bones. Sweat glands and skin are part of the integumentary system, not the skeletal system.
Bones have several important functions, such as providing support for the body, protecting internal organs, and aiding in movement. For instance, the ribs protect the heart and lungs, while the skull protects the brain.
Which property of water causes coastal communities to have only moderate differences in daily highs and lows when compared to inland communities?A. high viscosityB. high salinityC. high heat capacityD. low viscosityE. low heat capacity
Answer:
High heat capacity:
Explanation:
High heat capacity:
Due to having high heat capacity of water, ocean has high heat capacity comparable to land. This is because of large mixing of ocean result in high heating. That is why land heat and cool more quickly than oceans.
and this high heat capacity cause the area near to coastal to have seasonal temperature range
Water's high heat capacity causes coastal communities to have moderate differences in daily highs and lows when compared to inland communities.
Explanation:Water has a high heat capacity. This means that it takes a long time for water to heat up and cool down compared to land. As a result, coastal communities experience only moderate differences in daily highs and lows when compared to inland communities. The temperature of water changes less for the same amount of energy absorbed or released, leading to more moderate climates in coastal areas.
Awareness of the ________ linking overseas production with US consumption has led some to be concerned with the working conditions in the Asian factories in which their clothing is made.
Answer:
The correct response is Option A: Commodity chains.
Explanation:
A commodity chain is a concept that represents the processes involved when an item you purchase is manufactured or produced. For something like a garment, it involves sourcing the raw material like cotton or silk. Processing the raw material and then sending the cloth to the clothing factory, not forgetting all the shipments and transportation used to get the products to different points of manufacture. A commodity chain tries to incorporate all points involved in transforming an item into a good or commodity for sale. It can also entail the consumption and disposal of the commodities in question. There are some scholars who feel the notion of commodity chain may be too specific and that value chain is more encompassing and inclusive to use as not all items of value are commodities in the strict sense.
Choose the FALSE statement.
Choose one:
A. When the rate of ablation equals the rate of accumulation, the glacier retreats.
B. During glacial advance, the toe moves downslope for mountain glaciers and outward for continental glaciers.
C. During glacial advance, the rate of ice accumulation exceeds the rate of ablation.
D. The boundary between the zone of accumulation and the zone of ablation is called the equilibrium line.
The false statement is 'A'. A glacier remains stable, neither advancing nor retreating, when the rate of ablation equals the rate of accumulation. Glacier retreats occur when ablation surpasses accumulation.
Explanation:The false statement in these options is A. When the rate of ablation equals the rate of accumulation, the glacier retreats. In reality, when the rate of ablation (the process by which ice and snow waste away) equals the rate of accumulation (the process of amassing ice and snow), the glacier remains stable. It's neither advancing nor retreating. This state is referred to as equilibrium.Glacier retreat occurs when the rate of ablation exceeds the rate of accumulation.
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The false statement is A. When the rate of ablation equals the rate of accumulation, the glacier retreats. In reality, this represents a state of equilibrium for the glacier, not retreat. The other statements are correct.
Explanation:The FALSE statement in the given choices is A. When the rate of ablation equals the rate of accumulation, the glacier retreats. This statement is not true because when the rate of ablation (melting and loss of ice) equals the rate of accumulation (gain of ice through snowfall), the glacier is actually said to be in equilibrium, not retreat. Glacier retreat happens when the rate of ablation exceeds the rate of accumulation.
The rest of the statements: B. During glacial advance, the toe moves downslope for mountain glaciers and outward for continental glaciers, C. During glacial advance, the rate of ice accumulation exceeds the rate of ablation, and D. The boundary between the zone of accumulation and the zone of ablation is called the equilibrium line, are correctly expressed concepts in glaciology.
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34. When the top of a volcano collapses into the vent, a __________ is formed.
a. crater
b. neck
Answer:
A crater is the result of the collapse of the top of a volcano
Explanation:
When a volcano explodes, the igneus material is sent to the surface and it provokes the top of the volacano to collapse forming a crater.
Condensation nuclei, tiny particles of matter in the air, are important because ________. a. they increase the density of air and thus its buoyancy b. they will affect the environmental lapse rate c. they provide point sources of heat in the air d. they provide a surface for water molecules to form on
Answer:
d
Explanation:
Condensation nuclei are important because they form the basic building blocks of clouds. The condensation nuclei are tiny particles on which water vapor molecules form to create the most basic elements of clouds.
Later, other water molecules continue grouping around the original condensation nuclei and get larger to form raindrops.
Condensation nuclei are essential for water vapor to condense into droplets, enabling cloud formation and precipitation; they also play a role in climate regulation through their ability to reflect sunlight or absorb heat.
Explanation:Condensation nuclei are crucial for the process of condensation in the atmosphere. These tiny particles provide a surface upon which water vapor can condense and form droplets. The presence of these nuclei, which can include materials such as dust, smoke, and sea salt, is essential because water vapor in the air moves too quickly for the molecules to easily bind together on their own. Without these nuclei, the formation of clouds and subsequent precipitation would be much more difficult. In addition to their role in condensation, these particles can affect the climate by reflecting sunlight, which leads to atmospheric cooling, or absorbing heat, resulting in warming.
40. Volcanoes are examples of igneous activity _____________.
a. underground
b. above ground
Answer: B
Explanation:
Volcanoes typically occur underground when they do. "Although most of the active volcanoes we see on land occur where plates collide, the greatest number of the Earth's volcanoes are hidden from view, occurring on the ocean floor along spreading ridges." (https://oceanservice.noaa.gov/facts/volcanoes.html)
Answer:
Hello, the correct answer for this question is B. Above ground
Explanation:
Volcanoes are the way out for incandescent material that is formed in the center of the Earth.
The major force bringing continental sediments to the open ocean is (are)
(a) glaciers
(b) neritic currents
(c) rivers
(d) turbidity currents
(e) wind
Answer:
(d) turbidity currents, (e) wind,
Explanation:
The turbidity of the oceanic currents and the winds speeds impacts the movement of the sediments of the towards the continental open oceans and they are thus are sources of the driveby navigation force of the river systems and thus plays a major role in the movement of the current and that drives these to far of places.An industry uses natural gas for manufacturing and uses the waste heat to produce electricity. This is an example of which of the following processes?A. Cogeneration B. Electrolysis C. Gas hydration D. Reclamation
Answer:
A. Cogeneration
Explanation:
The cogeneration stands for the combined heat and power, and is used in power stations to generate electricity and is the most effective use of the waste heat and left energy to make some productive output form the left for heat can be also be applied for heating and cooling effect,s typically in an absorption refrigerator.Because the Guianas have similar natural resources, the _____ of the countries are also similar. A. economies B. colonial histories C. cultures D. populations
Answer:
economies- gradpoint
Explanation:
the concept of activity space is useful for better understanding that each human
Answer:
The concept of activity space is useful for better understanding that each human has a territory with which he/she is most familiar.
Explanation:
Every human has a territory within which he/she moves and travels during his/her daily activities.
This classification system is now widely used, based on temperature and precipitation, and distinguishes 5 major climatic types as tropical moist, dry, moist mid-latitude with mild winters, moist mid-latitude with severe winters, and polar climates.A KoppenB ThornthwaiteC P/E index
Answer: A. Koppen
Explanation:
Koppen climate classification is the main method of classifying global climates. It uses a system that measures average temperatures and rainfall across the year. It lists five different climates, namely:
A: Tropical Wet Climates with temperatures of 19 and above all year round .
B: Dry Climates, with little rainfall all year round .
Climates C and D are found in middle and high latitude areas and are differentiated by their winters .
C: Mid-Latitude climates, with mild winters .
D: Mid-Latitude climates, with cold winters .
E: Polar Climates: these climates are defined by very cold winters and summers .
H: Highland Climates, all highland areas with climates which are difficult to classify under the other 5 climate groups fall here.
Some farmers near an ocean must irrigate their soybean crops to harvest any successful growth. Desperate and without a source of fresh water, one of them decides to irrigate his field with seawater. Another farmer captures rain in special traps and lightly irrigate his crops. What would we expect to be the results of these different forms of irrigation?
a. The seawater irrigation kills the plants while the light irrigation produces few beans.
b. Both forms of irrigation produce good crops with moderate production of beans.
c. The seawater crops last longer than the fresh water crops, but only the seawater crops produce beans.
d. The seawater irrigation plants produce many beans while the light irrigation produces few beans.
Answer:
According to me the answer is a
Explanation:
It's because seawater isn't good for planting crops. It destroys crop because of it's salinity. Therefore the seawater irrigation kills the plants while the light irrigation produces few beans. Because the farmer captures rain water in special traps.
Salinization from seawater irrigation hinders plant growth, while fresh rainwater irrigation supports crop productivity.
Salinization is a common problem in arid climates where irrigation with seawater can lead to the accumulation of salts in the soil, hindering plant growth. Conversely, irrigation with fresh rainwater helps prevent salinization and supports crop productivity by providing non-saline water.
A rapid change in ocean density with change in depth is the:
1. halocline.
2. thermocline.
3. barocline.
4. isocline.
5. pycnocline.
Answer:
5. pycnocline.
Explanation:
Pycnocline is the rapid change in density of ocean water with depth. With increase in depth, ocean water tends to be denser. The two major factors that determine density in ocean water are temperature and salinity(salt contents). The denser water become in the ocean the more likely it sinks easily . This is one major factor that drive Ocean currents, the process is called thermohaline circulation.
The increase in salinity of ocean water causes an increase in density . This is because the salt become tightly pack and filled the water to make it denser . This simply means an increase in saline content of ocean water causes an increase in the density.
Another factor that affects density is temperature. Water at the surface possesses higher temperature due to direct contact with the sun. Usually, the higher the temperature the less dense ocean water becomes . This is why surface water is less dense. As water becomes warm the molecule disperse, this account for it lower density . Colder water are usually higher in density .
Generally, an increase in ocean depth causes considerable increase in density because of it colder temperature and increased salinity contents.
Why is the French and Indian War considered a cause of the American Revolution? A. It resulted in increased feelings of loyalty from the colonists towards the king.B. It resulted in a tax being placed on colonists to help pay for the war.C. It expanded the boundary of the colonies, resulting new friendly relationships with natives.D. It resulted in the colonists writing the Declaration of Independence.
Answer:
It resulted in a tax being placed on colonists to help pay for the war.
Option: (B)
Explanation:
The 'French and Indian War' that eventually culminated in the British victory helped the British secure immense territorial gains. But despite having won the war, the British suffered the costs of war for a long time even after the war was over. To incur the cost of war, the British Council imposed new and unreasonable taxes on the 'colonists' which gradually led to increasing resentment among the colonists and finally culminated in the 'American Revolution'.Most hot deserts ________.
A. retain their high temperatures throughout the night because there is no vegetation to absorb heat from the sediment at the surface
B. cool off greatly at night because of sparse vegetation, dry air, and little cloud cover
C. cool off by no more than 8°C on most nights
D. gain additional heat at night because the desert air rises
B) deserts are hot in the morning and freezing at night
Most hot deserts cool off greatly at night because of sparse vegetation, dry air, and little cloud cover.
Hence, the correct answer is option b.
Hot deserts experience significant cooling at night due to specific factors. Sparse vegetation fails to retain heat, allowing it to escape rapidly into the atmosphere during clear nights. Dry air does not hold heat well, promoting efficient cooling through radiative heat loss. Additionally, without cloud cover, heat that accumulated during the day can efficiently radiate back into space.
As a result, desert temperatures drop drastically, creating a stark contrast between day and night. This extreme diurnal temperature variation can lead to freezing nights, despite scorching daytime temperatures. Such conditions pose unique challenges to desert-adapted flora and fauna, shaping their survival strategies and making these ecosystems distinct from other biomes on Earth.
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Which of the following is a commercially used method for harvesting trees and is most likely to lead to a fragmented landscape with serious impacts on biodiversity?
a. Selective cutting
b. Clear-cutting
c. Shelter-wood cutting
d. Slash and burn clearing
e. Gleaning
Answer: b. Clear-cutting
Explanation: Clear cutting is a cheap and effective way of harvesting trees or timbers, this methods helps the forest operators to get the best out of a forest at a very reduced cost.
Clear-cutting is bad because removing the whole tree from an area destroys outrightly the natural habitat of most widelife, and it will also lead to the destruction of the eco-system that relies on the forest.
The correct answer is option (b) because clear-cutting is the method most likely to lead to a fragmented landscape with serious impacts on biodiversity.
Clear-cutting is a method of harvesting trees where all the trees in a specific area are cut down. This practice often results in large, open areas where the original forest once stood, leading to habitat loss and fragmentation.
In contrast, selective cutting (a) involves the removal of individual trees or specific types of trees, which typically has a less severe impact on the landscape and biodiversity compared to clear-cutting.
Shelter-wood cutting (c) is a method where trees are removed in a series of stages to create a new stand of trees, which can maintain some level of forest cover and structure.
Slash and burn clearing (d) is a traditional agricultural method that involves cutting and burning vegetation to create farmland, and it can lead to deforestation and biodiversity loss, but it is not typically used for timber harvesting. Gleaning (e) refers to the collection of leftover crops from farmers' fields after they have been commercially harvested and is not related to tree harvesting or forest management.
Conversion of natural ecosystems to agriculture ecosystems can lead to less carbon stored in soil and large plants such as trees. True or false?
Answer:
True
Explanation:
An agricultural ecosystem is different from that of the natural ecosystem and is thus an human-induced system and is thus there are changes in the stored carbon that are found in the system and the soil erosion and he terrestrial sedimentation and other process that works on the conversion of this ecosystem and thereby reduce the carbon amounts that are stored in the soil and the associated impacts of this system are the increase in the pollutant contents of the soil.Oxygen-18 and oxygen-16 are useful in studying past climates because ________.
A. ozone formation and decay depend on the ratio of oxygen-18 to oxygen-16
B. both water and calcite contain oxygen
C. oxygen ratios are directly related to carbon dioxide (CO2) levels
D. more oxygen-18 is stored in glacial ice when temperatures drop
Answer:
B. both water and calcite contain oxygen.
Explanation:
water molecules are not equal some are substituted with a heavier counterpart,the standard Oxygen molecule can be substituted by the 18O and hydrogen by H2 given rise to H216O,HD16O and H118O they are termed isotopologues and gave different physical properties.First, over the ocean, the heavier isotopes are less likely to take part in the formation of moisture, leading to lower concentrations of the heavy isotopes in the clouds compared to the mean oceanic water isotopic composition (lower concentration means that the δ18O is more negative). Then, as the air masses move toward the poles, temperature decreases leading to precipitation (either liquid or solid). The heavier isotopes will be preferentially found in the condensed phase than the light ones, which depletes even more the cloud from its heavy isotopes. Finally, in remote areas of the Polar Regions, the isotopic content of the final precipitation results from successive precipitation events. Since, as we saw, the precipitation contents in each isotope are different, each successive precipitation event will have a different isotopic composition, with the final one having the least heavy isotopes – a process called distillation. At each step of the moisture’s path from ocean to cloud to precipitation, the isotopic fractionation is strongly influenced by temperature. This leads to a temperature signal in the isotopic composition of both vapour and precipitation
"Saturn's cloud surface appears more uniform than Jupiter's because: A.the cloud layers are thicker, allowing fewer holes to see the colorful layers. B.due to Saturn's greater distance from the Sun, the colorful cloud layers are just not visible. there is a thick outer cloud covering of water ice overlying the colorful ices. C. due to Saturn's lower gravity, the colorful cloud layers escaped. D. it is composed of completely different gases than Jupiter's."
Answer:
A.the cloud layers are thicker, allowing fewer holes to see the colorful layers
Explanation:
As the outer atmosphere of the Saturn contains about 96% of hydrogen and 3.2% of the helium. With the amounts of ammonia, the acetylene, ethane, propane, and methane are found in the atmosphere. The cloudy layer of the Saturn exhibits banded patterns layer similar to that the Jupiter. The composition of the clouds varies with depths and the increasing pressure and temperature that ranges from 100–160 K.Select all that apply. Rain drops are formed by water vapor condensing on _____. grass oxygen atoms dust meteoroids
Answer:
dust
Explanation:
A raindrop s a condensed form of a water vapor that is about a micrometer of the size of a dust particles and floats freely in the air and is thus a rain that occurs when these millimeter-sized particles drop form the clouds in the forms of rain. As they get around the nuclei of the dust particles and grow in sizes.If an Earthquake registered high on the Richter scale and low on the Mercalli scale, then it occurred most likely in which type of location?
Answer:
The Earthquake most likely occurred in a location where the seismic wave or the energy released causing the earthquake to happen and the magnitude of the earthquake is high but the observed effects of the earthquake and its intensity is low.
Explanation:
In order to get a good understanding of the answer above we have to get familiar with some terms and concepts. The first term we would consider is the magnitude of an Earthquake, according to Earthquake Glossary,
The magnitude of an earthquake is a number that characterizes the relative size of an earthquake. Magnitude is based on measurement of the maximum motion of an earthquake seismic waves (waves produced by an earthquake that travels through the Earth's layers) recorded by a seismograph.
We also need to understand the term Intensity of an Earthquake which is the number (written as a Roman numeral) describing the severity of an earthquake in terms of its effects on the earth's surface and on humans and their structures.
Finally we have to understand that, the Mercalli scale bases its measurement on the observed effects of the earthquake and describes its intensity. It is a linear measurement. On the other hand, the Richter scale measures the seismic waves, or the energy released, causing the earthquake and describes the quake's magnitude. It is a logarithmic. For example, a magnitude 4 earthquake is 10 times as tense as a magnitude 3 earthquake. The calculation for the Mercalli scale is quantified from the observation of the earthquake's effect on the earth's surface. It is also based on the effect on humans, objects, and man-made structures.
The study of natural events such as tornadoes, forest fires or landslides are explored within the ________ branch of geography.
Answer:
The study of natural events such as tornadoes, forest fires or landslides are explored within the physical branch of geography.
Explanation:
Physical geography talks about the natural processes of the earth that shapes the earth surfaces , the rocks formed and the spatial pattern . This branch of geography gives you the idea on how the hydrosphere, lithosphere, atmosphere and biosphere interact to change the land surface.
The natural process can be amplified by the biosphere to speed up the earth processes. Like in the case of erosion and weathering. Anthropogenic activities could amplify natural events like the forest fire when they burn bushes for farming. if the climate is favorable to cause wild fires, the event becomes uncontrollable.
Landslides are caused when sediments and rocks on a slope becomes unstable. This disintegrated rocks particles later slides or slumps downward as gravity tends to increase the rate of sliding. But if friction is greater than gravity the rocks will not slide.
Tornado are natural events which causes rotation of air in the atmosphere
_____________ increase in fishing lead to overfishing and subsequent disappearance of sardine species in the Far Eastern sea.
Answer:
Explanation:
Excessive increase in fishing lead to overfishing and subsequent disappearance of sardine species in the Far Eastern sea.
Which statement is TRUE? Choose one: A. Shallow-focus quakes do less damage than deep-focus quakes. B. Surface waves are the first to show up on a seismogram recording of a quake. C. S-waves are compressional body waves; P-waves are shear body waves. D. R- and L-waves are surface seismic waves.
The true statement among the options is D, which states that R- and L-waves are surface seismic waves. P-waves, being compressional body waves, arrive at seismograph stations first, followed by the slower S-waves, which are shear body waves.
Explanation:The correct answer to the student's question is D. R- and L-waves are surface seismic waves. This is because surface waves, which include both Love waves (L-waves) and Rayleigh waves (R-waves), cause the most damage during earthquakes due to their complex ground movements. When considering which seismic waves arrive at seismograph stations first, it is the P-waves that are recorded before the S-waves because P-waves are compressional body waves that travel faster through the Earth's crust, whereas S-waves are slower shear body waves that arrive later.
Understanding the difference in arrival times between P- and S-waves is crucial for estimating the distance to an earthquake's epicenter.
We differentiate between longitudinal and transverse waves because they have distinct characteristics and travel at different speeds. Regarding the question's hint, the amount of warning residents in various cities would have before the more serious shaking from S-waves begins, would be calculated by subtracting the arrival time of the P-waves from that of the S-waves at a given location.
Segments of the oceanic ridge system that are gentler and less rugged in slope due to faster rates of seafloor spreading are called:
Answer:
Oceanic ridges and rises.
Explanation:
The divergence caused by the movement do the mid-oceanic ridges system and ongoing process of the seafloor spreading takes gentler and ore rugged forms and as a result of this there is a continuous spreading of the seafloor and rising of the ridges takes place and uplifting of the ocean floor due to the convective currents that comes from below.The maps above show New Zealand's place in the world from two different perspectives. Which statement explains why people in New Zealand might prefer Map A over Map B?
Answer:
People prefer to observe their country from a central point of view.
Explanation:
All maps are designed to portray certain information and often have some kind of bias based on the creator of the map. In the case of many countries in the Southern Hemisphere, maps are often preferred to be oriented in a different way than in the Northern Hemisphere.
This difference is a result of the placement of these countries on the globe. Were the map to be centered on the Prime Meridian and the North Hemisphere countries, most of the states south of the Equator would barely be visible.
Which of the following statements is true? Choose one:
A. Most climate scientists believe that current temperature increases are due entirely to natural cycles of short-term climate changes.
B. The worst-case scenario predicts that if global warming continues at its present rate, by 2050 the average annual temperature will have increased from 15°C to 20°C.
C. The Intergovernmental Panel on Climate Change (IPCC) has ruled that all future research use the one computer climate model that it has concluded is the best.
D. Carbon dioxide concentration of the atmosphere has increased in the last century.
Answer: Carbon dioxide concentration of the Atmosphere has increased in the last century
Explanation: Due to a significant boom in the industrial age in the last century, the extra carbon dioxide concentration has been significantly increased in the atmosphere thereby causing an enhanced greenhouse effect. This is due to the emission of carbon dioxide by most Industries.
Water waves are caused by wind, which is directly caused by the
the sun.
O
A. energy
O
B. matter
O
C. wind
O
D. conservation
SUBMIT
Answer:
A. Energy
Explanation:
Sun's energy is the core causative agent behind winds which in turn generate water waves. Hence, the correct answer is A. Energy.
Explanation:In the context of the question, the correct answer is A. Energy. The sun's energy is one of the primary driving forces behind the weather, which includes wind. This energy heats the earth's surface, causing air to warm up and rise, leading to differences in air pressure that create winds. These winds, in turn, generate water waves when they come into contact with the surface of a body of water like a lake or an ocean. Hence, without the sun's energy, there would be no wind, and without wind, there would be no water waves.
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