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Question
Give an example of positive feedback in climate change.Answer
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Many permafrost soils in the Arctic are peat soils.
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A) wind erosion; water erosion
B) water erosion; wind erosion
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E) There is no Canadian agency charged with soil degradation, only volunteer firms funded by farmers.
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Discuss the factors that affect the severity of soil loss to wind erosion.
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Why did China institute a population control policy? How is it enforced? Why is it controversial?
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Urbanization drives TFR down.
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C) the concept that human population growth would lead to greater industry and prosperity through education
D) instituting fertilizer use for agriculture
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The most accurate terms describing the trend over the past 50 years in resource use for human energy and agricultural systems are ________.
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B) decreasing and sustainable
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D) from unsustainable to sustainable
E) rapidly increasing, moving from unsustainable to sustainable