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Biology, 08.10.2019 23:30 eweqwoewoji

Base your answer to the question on the information below and on your knowledge of biology.

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

the independent variable 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

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