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Marge Simpson decided to start a new garden in her backyard. She heard that plants compete for space and decided to testis
idea. She bought a mixture of flower seeds and some potting soll She put the same amount of soil into each of 5 plastic cups. In the
first cup she planted 2 seeds, in the second cup she planted 4 seeds, in the third 8 seeds, and in the fourth cup ste planted 16
seeds. In the last cup she planted 32 seeds. After 25 days, she determined which set of plants looked the healthiest
What is the control group?
The independent variable is part of the experiment performed by the scientist, so in this case, the independent variable will be the number of seeds in a cup.
EDIT: The actual answer is the number of days and the amount of soil. I read the question wrong. My bad!
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