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    Biology A Guide
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    Exam 8: The Green Worlds Gift: Photosynthesis
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    The Ultimate Source of Energy for Most Life on Earth
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The Ultimate Source of Energy for Most Life on Earth

Question 16

Question 16

Multiple Choice

The ultimate source of energy for most life on Earth is:


A) heat from the Earth.
B) the metabolic processes found in all living things.
C) the sun.
D) oxygen.

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