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Question
About 80% of the world's human population live in ____.
a. nations with high average income per person
b. the United States, Japan, Australia, and Germany
c. more-developed countries
d. less-developed countries
e. environmentally-sustainable societies
Answer
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a. True
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a. True
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It can take 400 to 1,000 years to break down ____ that end up in landfills or the ocean.
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a. camouflage
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a. interspecific competition
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