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The primary source of energy for planet Earth is sunlight. Since animals cannot absorb and use light directly, how do animals obtain energy?
A. They obtain energy indirectly from photosynthesis in plants
B. They eat mushrooms which grow in the dark
C. They eat other animals which make their own energy
D. They get energy from gaseous molecules in the air
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Answers: 2
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The primary source of energy for planet Earth is sunlight. Since animals cannot absorb and use light...
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