A) planting of native grasses to rebuild the soil
B) planting of trees next to land used for agriculture to break the wind and protect the soil from erosion
C) use of cover crops to stabilize the soil between growing seasons
D) restoration and maintenance of wetlands to lessen runoff and alleviate flooding
E) increasing use of extensive irrigation techniques to nurture demanding crops
G) A) and D)
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A) Fossil fuels are more plentiful than metals, and are depleted more slowly.
B) Metals can be extracted by strip mining, while fossil fuels may not.
C) Many metals may be recycled, decreasing the necessity for finding new reserves, unlike fossil fuels, which cannot be recycled.
D) The mining of metals is not as destructive to the environment as the mining of fossil fuels.
E) The recycling of fossil fuels is more economically feasible than the recycling of metals.
G) A) and B)
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A) chemistry
B) genetics
C) ecology
D) wildlife management
E) field biology
G) A) and C)
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Correct Answer
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