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Question
What is a demographic transition? What are its four stages? State why each stage is important and what the consequence is for population growth. Do all countries go through the demographic transition?Answer
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Differentiate between renewable and nonrenewable natural resources. Give examples of each.
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Many permafrost soils in the Arctic are peat soils.
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Shelterbelts are to ________ as terraces are to ________.
A) wind erosion; water 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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How does climate explain the poor soils in the Amazon rainforests?
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Explain the no-till method and discuss its pros and cons.
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Discuss the factors that affect the severity of soil loss to wind erosion.
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Aside from contraception, what can humans do to control population growth's negative effects on the environment?
A) encourage consumption
B) encourage emigration from Africa
C) discourage emigration from Africa
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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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B) the idea that, without social strictures, the increase in the human population would lead to famine and war
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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
C) steady state and sustainable
D) from unsustainable to sustainable
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According to the IPAT model, the introduction of industrialized fisheries that use big trawlers, satellite navigation, and sonars to locate the fish ________.
A) increases environmental impact
B) decreases environmental impact
C) increases population
D) increases sensitivity
E) decreases sensitivity