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Alternative Energy, Farming, And Soil
Test Description: Review for unit 4 test.
Instructions: Answer all questions to get your test result.
1) Wind farms are clusters of wind turbines used to produce electricity. Often wind farms sell the electricity they produce to utility companies. New technologies have recently decreased the cost of producing electricity from wind. Which is a potential
A
It allows individuals to use wind energy to power their homes.
B
It encourages public utility companies to raise the cost of electricity.
C
It causes individuals to seek other non-renewable energy sources.
D
It enables government agencies to regulate wind power generators.
2) The main disadvantage of using solar energy to generate electricity is that solar panels.
A
produce water pollution.
B
are expensive to purchase.
C
produce greenhouse gases.
D
are expensive to operate.
3) Ethanol is an alternative fuel made from corn. What is one of the unfavorable effects of using ethanol as a fuel?
A
decreased cost of fuel production
B
increased carbon footprint from driving automobiles
C
increase in the consumption of fossil fuels
D
decrease in farm land available for food production
4) All energy resources have benefits, risks, and drawbacks. Which two resources present the most dangerous risks and consequences for the environment during their acquisition?
A
oil and coal
B
coal and solar energy
C
geothermal energy and oil
D
solar energy and geothermal energy
5) What do the energy resources uranium and coal have in common?
A
They both are acquired by mining the lithosphere.
B
They both release energy through combustion.
C
They both are formed from the remains of dead organisms.
D
They both generate radioactive wastes.
6) Soil erosion can be best prevented by
A
removing grass from the steepest slope
B
increasing the slope and adding soil
C
heavily watering the vegetation on the slope
D
building terraces into the side of the slope
7) Which is a farming technique that could improve the soil and the environment?
A
creating undisturbed layers of mulch in the soil
B
using fueled machines that will turn the soil continuously
C
irrigating the soil with salty water
D
placing inorganic chemical fertilizers in the soil
8) In a particular region, abundant growth of grasses covers the flat land surface. If overgrazing removes most of this vegetation, which weather phenomenon is most likely to occur?
A
Snow storm
B
Dust Storm
C
Hail Storm
D
Rain Storm
9) In many parts of the world, land that is too dry for farming is used for grazing livestock. Overgrazing of these lands destroys the native plants and breaks down the natural soil covering. How does overgrazing result in desertification?
A
by increasing the rate at which topsoil is eroded
B
by allowing nonnative species to colonize the land
C
by reducing the food available to livestock
D
by causing the land to absorb rainfall more quickly
10) Which is an advantage of safely using uranium as an energy source rather than using coal?
A
Uranium reduces the amount of thermal pollution, while burning coal can increase the amount of thermal pollution.
B
Uranium produces energy without polluting the atmosphere, while burning coal can increase the CO2 in the atmosphere.
C
Uranium is the most cost-efficient energy resource, while coal is the most expensive energy resource.
D
Uranium can be easily mined from deep within Earth, while coal is a hard resource to mine from deep within Earth.
11) The burning of fossil fuels lead to air pollution, acid rain and acidic soil.
A
True
B
False
12) Does deforestation contribute to global warming?
A
Yes, without trees, less CO2 is turned into oxygen
B
Yes, trees are bad
C
A bit, the vehicles that cut down trees cause pollution
D
No,trees do not cause pollution
13) Why should the farming industry adopt sustainable agriculture practices?
A
to increase the number of non-point sources of water pollution
B
to reduce the environmental degradation and economic losses
C
to increase the amount of erosion and deposition
D
to increase the use of irrigation systems
14) Which energy source has the lowest long–term environmental impact?
A
clean coal
B
wind
C
corn ethanol
D
nuclear
15) Cracks in rocks widen as water in them freezes and thaws. How does this affect the surface of the Earth?
A
It changes the chemical composition of the rocks.
B
It exposes rocks to increased rates of erosion and weathering.
C
It limits the exposure of rocks to acid precipitation.
D
It reduces the rates of soil formation.
16) How can urbanization affect a local area?
A
It can decrease the risk of water pollution in an area.
B
It can decrease the need for natural resources in an area.
C
It can increase the risk of flooding in an area.
D
It can increase the number of invasive species in an area.
17) Which describes the difference between nuclear fission and nuclear fusion?
A
Nuclear fission produces the energy in the core of Earth, and nuclear fusion produces energy in nuclear power plants.
B
Nuclear fission splits nucleus into smaller nuclei; nuclear fusion is the process that produces the radiant energy of star s
C
Nuclear fission is the process that produces the radiant energy of stars, and nuclear fusion splits a heavier nucleus into sm
D
Nuclear fission produces energy in nuclear power plants, and nuclear fusion produces the energy in the core of Earth.
18) Which would produce the most severe earthquake damage along the surface of Earth?
A
an earthquake with a shallow focus and a magnitude of 2.5
B
an earthquake with a deep focus and a magnitude of 2.5
C
an earthquake with a deep focus and a magnitude of 4.5
D
an earthquake with a shallow focus and a magnitude of 4.5
19) Which is most likely a prevention strategy for flooding?
A
building artificial levees
B
recycling bottled-water containers
C
reducing water consumption
D
building waste landfills for metals and other contaminants
20) How could the removal of trees and other vegetation impact an environment?
A
by increasing transpiration
B
by increasing oxygen production
C
by increasing soil formation
D
by increasing erosion
*select an answer for all questions
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