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    Environmental Science Study Set 1
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    Exam 5: Ecosystems: Energy, Patterns, and Disturbance
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    About 40% of the Land's Primary Production on Earth
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About 40% of the Land's Primary Production on Earth

Question 69

Question 69

Multiple Choice

About 40% of the land's primary production on Earth


A) has been appropriated to meet human needs.
B) has been destroyed by global climate change.
C) uses more oxygen than it produces.
D) has been lost just to build enough homes for all of the people on Earth.

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