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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 causes individuals to seek other non-renewable energy sources.
C
It enables government agencies to regulate wind power generators.
D
It encourages public utility companies to raise the cost of electricity.
2) The main disadvantage of using solar energy to generate electricity is that solar panels.
A
are expensive to operate.
B
produce greenhouse gases.
C
are expensive to purchase.
D
produce water pollution.
3) Ethanol is an alternative fuel made from corn. What is one of the unfavorable effects of using ethanol as a fuel?
A
increased carbon footprint from driving automobiles
B
decreased cost of fuel production
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
coal and solar energy
B
geothermal energy and oil
C
oil and coal
D
solar energy and geothermal energy
5) What do the energy resources uranium and coal have in common?
A
They both are formed from the remains of dead organisms.
B
They both generate radioactive wastes.
C
They both release energy through combustion.
D
They both are acquired by mining the lithosphere.
6) Soil erosion can be best prevented by
A
building terraces into the side of the slope
B
removing grass from the steepest slope
C
heavily watering the vegetation on the slope
D
increasing the slope and adding soil
7) Which is a farming technique that could improve the soil and the environment?
A
placing inorganic chemical fertilizers in the soil
B
irrigating the soil with salty water
C
using fueled machines that will turn the soil continuously
D
creating undisturbed layers of mulch 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
Hail Storm
B
Dust Storm
C
Rain Storm
D
Snow 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 reducing the food available to livestock
C
by allowing nonnative species to colonize the land
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
False
B
True
12) Does deforestation contribute to global warming?
A
No,trees do not cause pollution
B
A bit, the vehicles that cut down trees cause pollution
C
Yes, trees are bad
D
Yes, without trees, less CO2 is turned into oxygen
13) Why should the farming industry adopt sustainable agriculture practices?
A
to increase the number of non-point sources of water pollution
B
to increase the use of irrigation systems
C
to reduce the environmental degradation and economic losses
D
to increase the amount of erosion and deposition
14) Which energy source has the lowest long–term environmental impact?
A
corn ethanol
B
nuclear
C
clean coal
D
wind
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 reduces the rates of soil formation.
D
It limits the exposure of rocks to acid precipitation.
16) How can urbanization affect a local area?
A
It can increase the risk of flooding in an area.
B
It can increase the number of invasive species in an area.
C
It can decrease the risk of water pollution in an area.
D
It can decrease the need for natural resources in an area.
17) Which describes the difference between nuclear fission and nuclear fusion?
A
Nuclear fission is the process that produces the radiant energy of stars, and nuclear fusion splits a heavier nucleus into sm
B
Nuclear fission produces energy in nuclear power plants, and nuclear fusion produces the energy in the core of Earth.
C
Nuclear fission splits nucleus into smaller nuclei; nuclear fusion is the process that produces the radiant energy of star s
D
Nuclear fission produces the energy in the core of Earth, and nuclear fusion produces energy in nuclear power plants.
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 4.5
C
an earthquake with a shallow focus and a magnitude of 4.5
D
an earthquake with a deep focus and a magnitude of 2.5
19) Which is most likely a prevention strategy for flooding?
A
recycling bottled-water containers
B
building waste landfills for metals and other contaminants
C
reducing water consumption
D
building artificial levees
20) How could the removal of trees and other vegetation impact an environment?
A
by increasing soil formation
B
by increasing transpiration
C
by increasing erosion
D
by increasing oxygen production
*select an answer for all questions
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