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Biology, 02.12.2019 23:31 gretchcampbell

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

a. algae growing on glass
b. gravel on the bottom of the aquarium
c. plants growing from the gravel
d. fish swimming in the water

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

a. algae growing on glass...
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