Exam 1: What on Earth Are We Doing

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Which of the following is false about the greenhouse effect?

(Multiple Choice)
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Livestock farming produces more greenhouse gases than transportation.

(True/False)
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Slowly developing harmful conditions, such as climate change, trigger alarm and panic in most people.

(True/False)
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Monoculture plantings are more resistant to pests and unfavorable weather than diverse plantings are.

(True/False)
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What does it mean to say behavior is ""unsustainable""?

(Short Answer)
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Serious worldwide water shortages are a real possibility within the next decade.

(True/False)
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About how much of the edible food supply is wasted worldwide?

(Multiple Choice)
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Which of these is a term coined in the 1870s to describe the entire global ecosystem and all of its inhabitants?

(Multiple Choice)
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Global warming is caused by the hole in the ozone layer of the Earth's atmosphere.

(True/False)
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The majority of freshwater consumed in the U.S. is used for crops and livestock.

(True/False)
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Most discarded electronics (e.g., cell phones, computers) are recycled.

(True/False)
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Most of the world's electricity is currently generated by burning fossil fuels.

(True/False)
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During the past decade and a half, the southwestern United States has been experiencing the worst drought in recorded history.

(True/False)
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Tropical rainforests play a major role in global carbon sequestration.

(True/False)
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Burning fossil fuels produces polluting by-products, including

(Multiple Choice)
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Half of the topisoil in the world has been lost in the last century and a half.

(True/False)
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Much of the solid waste generated today is plastic. Which of the following is false about plastic.

(Multiple Choice)
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According to the latest estimates, about 61% of the energy consumed in the U.S. is actually wasted. This figure is most likely

(Multiple Choice)
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Pick one current energy source that is environmentally unsustainable and explain why.

(Essay)
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The rapid deterioration of the natural systems on which life depends can be attributed to people's ecologically incompatible _______________.

(Multiple Choice)
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