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Pavel [41]
3 years ago
15

Which of these is an abiotic factor of an aquarium ecosystem?

Biology
1 answer:
Levart [38]3 years ago
8 0
So abiotic means nonliving, so the only abiotic option is B. the gravel on the bottom of the aquarium.
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Mortality refers to the rate of deads in a given population for a particular period of time (often one year calendar).

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