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Biology, 19.12.2019 07:31 aaliyahrice02

Why is an ecosystem's net primary production (npp) lower than its gross primary production (gpp)?
a. npp reflects the loss of matter due to respiration by the primary producers.
b. npp reflects the gain of oxygen due to respiration by the primary producers. c. gpp reflects the loss of matter due to respiration by the primary producers.

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