Which of these is an abiotic factor of an aquarium ecosystem?
a.
algae growing on the...
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Biology, 28.08.2019 21:30 rsimmons696
Which of these is an abiotic factor of an aquarium ecosystem?
a.
algae growing on the 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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