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Anna71 [15]
3 years ago
7

A student designed an experiment to determine if air temperature had an effect on the rate of photosynthesis in corn plants. A c

onstant in this experiment is the
A.Air temperature at which the corn plants were grown
B.Amount of carbon dioxide used by the corn plants
C.Volume of oxygen produced by the corn plants
D.Number of corn plants used
Biology
1 answer:
vredina [299]3 years ago
6 0

Answer:

D. is the answer

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