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Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
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drelog drelog
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8 years ago
Productivity is the amount of carbon fixed by organisms through the synthesis of organic matter using energy derived from ________ and ________.
A) hydrothermal, available nutrients
B) photosynthesis, hydrothermal
C) chemosynthesis, hydrothermal
D) chemosynthesis, photosynthesis
E) none of these
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Earth Science

Earth Science


Edition: 14th
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PulsaPulsa
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8 years ago
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drelog Author
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#2
8 years ago
Exactly what I needed, exam is tomorrow!
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