Answer: A)is greater near the source than near the mouth
Explanation: A stream is a small river; a large creek; a body of moving water confined by banks.
Gradient is an area of ground that tends evenly upward or downward.
A stream gradient can be defined as an area of water that that tends evenly upward or downward of the stream and it is measured by the difference in elevation between two points on a stream divided by the distance between the two points that the water actually flows.
The gradient influences the speed in respect to time of the stream. The steeper the gradient, the higher will be the speed of the of the flow.
Answer:
A
Explanation:K12
and did the test
The best evidence that the distance between the moon and the earth varies is provided by?
Answer:
The answer is diameter or movement of the moon
PLLLLLLLZ HELP Which best summarizes the change in number and size of microcontinents during the Proterozoic?
the number of microcontinents increased and the size increased
the number of microcontinents increased and the size decreased
the number of microcontinents decreased and the size increased
the number of microcontinents decreased and the size decreased
Answer:
The number of microcontinents decreased and the size increased
Explanation:
The Proterozoic Era was between 570 million years and 2500 million years ago. It comprises of the Late, Middle and Early Era.
Small Proterozoic continents are called microcontinents. These microcontinents collided and thus their numbers decreased but their resultant collision produced high altitude massive mountain ranges of increased size. This convergence to form a continent of increase size was active between 1.5 and 10 billion years ago. What was formed by this collision was called the continent of Laurentia, which covered about 70% of the earth at that time.
35. A dome of rock pushed up by a magma sill is a ___________.
a. batholith
b. laccolith
Answer:
A dome of rock pushed up by a magma still is a laccolith
Explanation:
Answer:
A dome of rock pushed up by a magma sill is a
b. laccolith
Explanation:
The option a is not correct as the batholith is such a rock body that is made up of cooled magma in the crust of Earth.The option b is correct as the laccolith is such type of rock body that is present between two layers of a rock giving it a shape of dome.Which major U.S. region was mostly avoided by non-Anglo voluntary migrants throughout the nineteenth and most of the twentieth century?
Answer:
Not Pacific Coast or Midwest
Explanation:
The majority of the non- Anglo migrants throughout the 19th and 20th century were avoiding the West and Pacific Coasts because they were looking for the jobs, not for land. Majority of the immigrants came from Central, Eastern and Southern Europe. They all worked in the industries on the East side of America to earn a living to start a new life. Between 1880 and 1920 the country saw rapid industrialization and urbanization.
What ethnic group does geographer Christopher Airriess study in the Versailles neighborhood of New Orleans, where perimeter vegetable gardens are the characteristic landscape signature
Answer:
Irish
Explanation:
Geographer Christopher Airriess study in the Versailles of New Orleans studied the Irish Ethnic group
During burial, most of the hydrogen and oxygen are expelled from peat to concentrate carbon and form coal.
Answer:
True.
Explanation:
As peat is an accumulation of the partly decomposed vegetation and is found near bogs and peatlands and its considers to be the most efficient carbon system of the planet and thus they are harvested as important for fuel in the world. If hydrogen and oxygen are expelled from peat 106 gm of carbon dioxide is released. and can be sued to form fossil fuel. As it has high carbon content it can be concentrated to form coal as it becomes lighter and increasing sedimentation for which it must be buried 4 to 10 km deep in the earth.It has been observed that forest fires can produce up to 40 percent of the mean annual global emissions of which of the following gases?
A. nitrogen
B. carbon dioxide
C. oxygen
D. All of these
Answer:
B. carbon dioxide
Explanation:
The coal and the oil account for the 43 % of the total emissions and for every ton of coal burned approx 2.5 tonnes of carbon are produced and the main sector are the electricity heat and the infrastructure and the main users are the industries and resident and the commercial sectors of the government.It has been observed that forest fires can produce up to 40 percent of the mean annual global emissions of Nitrogen gas.
So, Option A is correct.
Coal and oil account for 43 % of the total emissions and for every ton of coal burned approx 2.5 tonnes of carbon are produced and the main sector is electricity heat and infrastructure and the main users are the industries and residents and the commercial sectors of the government.
Option B is incorrect as, The wide variety of pollutants released by wildland fire include greenhouse gases (carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O)), photochemically reactive compounds (e.g., carbon monoxide (CO), nonmethane volatile organic carbon (NMVOC), nitrogen oxides (NOx)), and fine and coarse particulate matter (PM).
Option C is incorrect as, oxygen is not a greenhouse gas.
Option D is incorrect as Oxygen and nitrogen does not produce 40% of the mean annual global emissions,
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What is the minimum number of Global Positioning System (GPS) satellites that are observable by a user anywhere on earth?
Answer: 4 Satellites
Explanation:
A minimum of four satellites must be in view of the receiver and this is so that four different unknown quantities such as the position coordinates and the clock deviation.
It should be noted that as at today, the total constellation size has thirty three satellites in total with thirty one in orbit and now has an accuracy of a few centimeters
If the lithology and fossil content of two bodies of rock on opposite sides of a canyon are identical, then these remaining outcrops were likely physically connected at one time and formed part of an extensive, sheet-like layer of rock. This idea summarizes the principle of_________ .A. superpositionB. original continuityC. original horizontalityD. uniformitarianism
Answer: B. Original Continuity
Explanation:
Original continuity is the concept that sediments are deposited horizontally at the original point of formation. This lateral deposit continues, layer by layer unless the sediments are interrupted by a barrier.
The two rocks on the opposite sides of the canyon were likely one body of rock due to their similar lithology and fossil content. It is likely that the canyon formed due to erosion over time, thereby creating a barrier between the rocks.
The idea that two bodies of rock on opposite sides of a canyon with identical lithology and fossil content were likely physically connected at one time is summarized by the principle of original continuity, also known as the principle of lateral continuity.
Explanation:If the lithology and fossil content of two bodies of rock on opposite sides of a canyon are identical, then these remaining outcrops were likely physically connected at one time and formed part of an extensive, sheet-like layer of rock. This idea summarizes the principle of original continuity.
The principle of lateral continuity suggests that layers of sedimentary rock were once continuous, and anything that interrupts the layer (like a river or canyon) occurred after the rocks were deposited. This principle is employed when geologists compare seemingly similar groups of rocks separated by some distance. They can infer that rocks on either side of a canyon were, in fact, the same and were once connected before the canyon formed. Thus, identifying identical lithology and fossil content across these divides provides evidence for this continuous nature prior to any geological separation.
What has one eye, but can’t see?
Answer:
ik this one Needle
Explanation:
herd this one before
"The correct answer is a needle.
A needle has an eye, which is the hole used for threading, but it cannot see as it does not have the biological mechanisms required for vision. This riddle plays on the double meaning of the word "eye," referring both to the organ of sight and to the small hole in the needle."
CCD refers to the ocean depth at which calcium carbonate is present only in solution. 1. True 2. False
Answer:
1. True
Explanation:
From a certain depth, most of the carbonates dissolve, but the shells of the most resistant foraminifera do not. It is the LISOCLINE .
From a certain depth, carbonates and microfossils dissolve completely beyond lysocylin. It is the CALCITE COMPENSATION LEVEL (CCD) .
In areas deeper than the CCD, only clay or siliceous sediments are deposited and carbonates and carbonated fossils are absent .
Lysocline and CCD vary in depth today in each ocean, being greater in the tropical belt (up to 5000 m) . The CCD for the same latitude has varied throughout geological time .
Which of the following elements is released into the atmosphere by all of these processes:
1. volcanic outgassing
2. animal respiration and flatulence
3. burning of fossil fuels
4. metamorphism of limestone
Answer: Carbon
Explanation:Carbon is the element released by volcanic outgassing,animal respiration and flatulence,burning of fossil fuels and the metamorphism of limestone.
Volcanic outgassing is the release of carbon into the atmosphere mainly in the form of carbon monoxide.
Animal respiration and flatulence are process taking place in animals which leads to the release of carbon dioxide.
Burning of fossil fuels is the use of heat to breakdown fossil fuels such as petroleum leading to the release of Carbon.
Limestone metamorphism is the breakdown of limestone which leads to the release of Carbon to the atmosphere.
Characteristics of passive continental margins include which of the following? a.Volcanic and earthquake activity b.Broad continental shelves c.Chains of islands d. Deep-sea trenches e.Thin sediment accumulation
Answer:
(B) broad continental shelves
Explanation:
Passive continental margins have broad continental shelves
Many passive continental margins have a continental rise, a very low‐angle ridge of sediment that forms between the continental slope and the abyssal plain.
Passive continental margins are characterized by broad continental shelves and thin sediment accumulations, with a noticeable lack of tectonic activity like earthquakes or volcanoes. They don't feature chains of islands or deep-sea trenches.
Explanation:The characteristics of passive continental margins include mainly vast, broad continental shelves and thin sediment accumulation. Unlike active continental margins, passive margins are not associated with plate boundaries, so they do not witness much volcanic or earthquake activity. They do not have chains of islands or deep-sea trenches. These features - chains of islands, deep-sea trenches, volcanic and earthquake activity - are characteristic of active rather than passive margins. Passive continental margins are typically marked by a lack of tectonic activity, broad, gently sloping shelves, and thick accumulations of sediment eroded from the adjoining continent.
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Which of Brazil’s climate zones has a good chance of snow? tropical rain forest tropical wet/dry semiarid temperate
Answer: dry
Explanation: I think that it is wet bc it is father from the equator so it gets colder down there
The climate zone of Brazil which has a good chance of snow is: Temperate.
Climate can be defined as the long-term average atmospheric conditions (weather) prevailing in a specific region and persists for a very long period of time.
In Brazil, there are five (5) climate zones and these include:
Semiarid climate.Tropical climate.High-land tropical.Sub-tropical climate.Temperate climate.Brazil’s temperate climate zone has a good chance of experiencing snow because its temperature are very low, usually below 11 degrees Celsius (11°C) during winter.
This ultimately implies that, the people living in temperate climate zones of Brazil are most likely to see snow fall at some point in the year such as during winter.
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Starting with the hypothesis that a planet near Uranus was the cause of the orbital discrepancy, scientists had to develop a plan to find the unidentified planet. They started with what they knew about the discrepancies in the orbit of Uranus. Rank the steps in the order that scientists would take to discover the planet.
Question: Starting with the hypothesis that a planet near Uranus was the cause of the orbital discrepancy, scientists had to develop a plan to find the unidentified planet.
They started with what they knew about the discrepancies in the orbit of Uranus. Rank the steps in the order that scientists would take to discover the planet.
Answer:
calculate the mass, orbit and likely position of the unidentified planet
-use optical telescopes to search a region of the sky where the unidentified planet is predicted to be
-compare to current observations to existing star charts
-make continued observations
What is the river west of the appalachians that forms a border between indiana and kentucky
____________________ energy resources are replenished by natural processes as we use them
Answer:
Renewable energy resources are replenished by natural processes as we use them
Explanation:
Renewable energy are energy sources that gets replenish naturally even after excessive usage overtime. This energy resources are never depleted, nature and the earth finds a way of constantly supplying this source of energy. Examples of these renewable energy are wind, sunlight(solar), geothermal heat, water(hydroelectric) and tides .
The renewable energy sources generally reduces emission of green house gases that destroy the environment. Unlike the non renewable energy sources such as fossil fuel, Renewable source of energy are very clean source of energy.
The sun provides radiation on the earth surface and technologies are use to convert this energy into usable form. In the case of wind the energy from the wind are been converted using large turbines.
In the case of water, through water cycle the earth make sure water is been constantly supplied. The energy from water(hydropower) are converted to power homes and other facilities.
Some estimates indicate that the amount of the world's fresh water that is stored as groundwater may be close to:
a) 98%.b) 57%.c) 10%.d) 1%.e) 0.01%.
Answer:
so here correct option is a) 98%
Explanation:
solution
Water is most essential compound for all living thing and about 70% of Earth surface is covered by ocean and where ground water is that water that is found beneath surface of Earth in 100 % saturation conditions
and according to National Ground Water Association there is approx 98 percent fresh water is available in groundwater
and water in ground travel by the pores in the soil and rock and weathered area of bedrock
so here correct option is a) 98%
An example of an indicator species is the sea otter. Without sea otters, sea urchins would overgraze on kelp beds, dramatically changing the marine community. True or False.
Answer:
False
Explanation:
Sea urchin do not overgraze or change the kelp bed uttering the marine community.
The Gobi desert, in the interior of Asia, sits more than 2,000 km away from the nearest ocean and is therefore a good example of a:
Answer:C. continental-interior desert.
Options:
A. rain-shadow desert.
B. polar desert.
C. continental-interior desert.
D. desert that forms because cold, dense air cannot rise to form clouds.
Explanation:
Deserts are dry areas which receive low rainfall, less than ten inches annually, or experience much higher evaporation compared to the annual rainfall received.
The Gobi desert is an example of a continental interior desert. These are deserts located in the center of continents, far from oceans or other large water bodies. Therefore, the winds that reach these deserts lose all humidity due to their distance from the coast.
The Gobi Desert's remote location away from the ocean and behind the Himalayas classifies it as a high-altitude cold desert with arid conditions and cold winters.
Explanation:The Gobi Desert in the interior of Asia is situated over 2,000 km from the nearest ocean, providing a classic example of a high-altitude cold desert. Its remote location, beyond the influence of oceanic moisture due to distance and physical barriers like the Himalaya Mountains, contributes to its arid conditions.
Furthermore, the Gobi, along with the Taklimakan Desert in western China, and several others, are subject to freezing temperatures in the winter, distinguishing them as cold deserts, a subtype of deserts characterized by cold weather and snowfall as the primary form of precipitation.
These vast and harsh environments are part of the greater Central Asian region, which includes extensive treeless, grassy steppes surrounding the deserts, often linked with the steppes of Eastern Europe geographically.
"Flat-lying sedimentary strata or volcanic rock layers may erode to form isolated structures called"
Final answer:
Isolated structures formed from flat-lying sedimentary strata or volcanic rock layers by erosion are called monadnocks or inselbergs, which are resistant to weathering and provide geological insights.
Explanation:
Flat-lying sedimentary strata or volcanic rock layers may erode to form isolated structures called monadnocks or inselbergs. These formations are a result of the erosion of surrounding softer materials leaving the more resistant rock layers exposed as prominent, isolated structures. The structures give insights into the geological past and can indicate the presence of ancient mountain ranges or plateaus that have since been worn down through weathering and erosion while the harder monadnocks have resisted these forces.
As illustrated in (A), the ____________ of a region is the statistical variation of daily ____________ events, where the number of days with cool weather ____________ the days with warm weather. Global warming is expected to cause a shift in ____________ worldwide, resulting in more hot ____________ events and record highs compared to today.
Answer:
1.climate.
2.Weather
3.Roughly equal
4.Climate
5.weather
Explanation:
Climate is the statitiscal variation in the WEATHER
event where the number of days with cool weather roughly equals the days with warm weather. Global warming is expected to cause a shift in climate worldwide.Thus resulting in in hot weather events with records higher than today
The circles in the diagrams below represent energy levels in an atom, and the arrows show electron (blue dot) transitions from one energy level to another. (The spacing between circles represents differences in energy: A larger spacing means a greater difference in energy.) Assuming that the transitions occur as photons are emitted, rank the atoms based on the photon energy, from highest to lowest.
Answer:
Highest
Arrow = from outer edge to center
Second Highest
Arrow = second closest ring to the outer edge to center
Third Highest
Arrow = middle circle to center
Lowest
Arrow = outer edge to middle circle
Define the following terms in the order presented. _______ refers to the movement of individuals from one area to another. _______ refers to the movement of individuals into a geographic area. _______ refers to the movement of individuals out of a geographic area.
Answer:
Migration, Immigration, Emigration
Explanation:
Migration is the term about that individuals change the one geographical area to another. It could be categorized in terms of the:
Time period: temporarily or permanently
The reasons: job opportunities, forces or occupations
Immigration is the movement of individuals to the destination geographic area.
Emigration is the process of individuals leave their native lands to be settled in other areas.
1.The CBD attracts offices primarily because of its
a.high accessibility.
b. high land costs.
c.more intensive land use.
d. construction of skyscrapers.
e. access to manufacturing facilities.
2. Land values are high in the CBD primarily because of_______.
a.apetition for limited space.
b. high threshold and range.
c.less intensive land use.
d. construction of skyscrapers.
e. lack of residential space.
Answer: 1. a.high accessibility.
2. Land values are high in the CBD primarily because of_______.
a.Competition for limited space.
b. high threshold and range.
c.less intensive land use.
d. construction of skyscrapers.
e. lack of residential space.
Explanation:
A Central Business District, CBD is an area in the center of a town or city with high commercial activity in the form of retail spaces and offices. A CBD easily accessible from several parts of the city and may have a varied means of transportation servicing the area.
Due to these advantages, businesses tend to be concentrated here, thereby increasing the demand for space in a limited area and in turn, the price of property .
In which region of the country did taxes on whiskey lead to a rebellion?
Answer:
Pennsylvania
Explanation:
Answer:
The Whiskey Rebellion was a 1794 uprising of farmers and distillers in western Pennsylvania in protest of a whiskey tax enacted by the federal government.
Sediments with an extraterrestrial origin are called: a. cosmogenous. b. hydrogenous. c. biogenous. d. volcagenic. e. lithogenous.
Answer:
a. cosmogenous
Explanation:
These are those sediments that are characterized by the extraterrestrial sources and thus are an important part of the study of the varied life forms on earth and thus have deposits of other places of the outer wolds and are hence an important constituent of the matter that falls from above can be in the shell of an meteorite or a comet.Sediments derived form preexisting rocks are called:________.
a. volcagenic.
b. lithogenous.
c. hydrogenous.
d. biogenous.
e. cosmogenous.
Answer:
b. lithogenous.
Explanation:
Generally, sediments are formed from preexisting rocks, it might be igneous , metamorphic or even sedimentary rocks . As earth processes(weathering, erosion and wind ) takes place this rocks are broken into smaller particulate matter to form sediments. Sometimes this rocks can form an entirely new substance due to chemical weathering. Some of this sediments are driven into the sea through erosion and wind.
Lithogenous sediments are preexisting rocks formed from the land . They are also known as terrigenous rocks. Sometimes due to erosion and weathering, some of this sediment might find their way to the ocean floor .
Due to the mode of formation or earth process that forms this lithogenous sediments the texture and sizes varies. Some of the particulate matter are fined and tiny while some are coarse and rough in texture.
Not all migrants to the new land chose to come due to religious, political, or economic reasons. some are?
Answer: seeking to have a change of environment
Explanation:
Describe the causes of surface and deep ocean currents
Answer: The causes of ocean currents include wind, water temperature/salinity and natural disasters.
Explanation:
A current or circulation is the unified movement of water across the ocean. A Surface current affects the topmost layer of seawater and is defined by the direction of the wind while Deep Currents reach the sea floor though a combination of surface currents and landforms.
Water temperature and salinity cause currents by changing water density which in turn results in deep ocean currents circulating the seawater.
Other conditions that cause strong currents are storms and earthquakes which introduces particles into the seawater.
Answer:
a. Wind is the major cause of surface ocean current
b. Thermohaline circulation is the major cause of deep ocean current
Explanation:
Ocean currents is said to be the redistribution or movement of water bodies from one point to another.
On a wide scale the major forces or causes behind the ocean current on the surface is wind-driven. The ocean water on the surface and the atmosphere is directly heated by the sun and it produces winds which blows over the ocean surface , transmitting energy through the process resulting to waves and current.
On the other hand the major causes of deep ocean currents is the Thermohaline circulation . This exist due to temperature and salinity(salty) variation . Usually, water having lower temperature (cold) and high salinity content possesses higher density than high temperature (warm) and low salinity content water respectively. The higher density water sinks deeper. The density variation is the major driving force behind deep ocean current in an extensive scale. And this is what we call the Thermohaline circulation.