Agroup of scientists are studying the effects of different fertilizers on the growth of pea plants. they began their study with 10 pea plants. they gave each plant a different type of fertilizer and tracked their growth over a period of 2 months. what’s the independent variable in this experiment?
a. the growth of the plants
b. the type of fertilizer
c. the amount of fertilizer
d. the plants
Answers: 1
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