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Biology, 10.03.2020 17:42 oktacos

20. Which is a source of energy for Earth's living things?
I. trophic energy
II. sunlight
III. chemical energy
(A) I only
(B) II only
(C) I and II only
(D) II and III only

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20. Which is a source of energy for Earth's living things?
I. trophic energy
II. sunlight<...

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