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Productivity Is the Amount of Carbon Fixed by Organisms Through

Question 27

Multiple Choice

Productivity is the amount of carbon fixed by organisms through the synthesis of organic matter using energy derived from_______ and _______ .


A) photosynthesis; hydrothermal
B) hydrothermal; available nutrients
C) chemosynthesis; photosynthesis
D) chemosynthesis; hydrothermal
E) none of these

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