A group of students conducted an experiment to determine the effect of heat on the germination (sprouting) of sunflower seeds. Which of the variables listed below is the least important to control in this experiment?
a. the type of soil used
b. the length of time the seeds are heated
c. the amount of moisture in the soil
d. the temperature to which the seeds are heated
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A group of students conducted an experiment to determine the effect of heat on the germination (sprouting) of sunflower seeds. Which of the variables listed below is the least important to control in this experiment?
a. the type of soil used
b. the length of time the seeds are heated
c. the amount of moisture in the soil
d. the temperature to which the seeds are heated
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