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Lina20 [59]
4 years ago
5

Agricultural scientists are trying a new man-made vitamin on tomato plants to make them bigger and redder. They are putting the

vitamin in the soil of a group of plants, and are also observing a group of plants that have received nothing other than regular water. This second group is the:
variable group.

experimental group.

placebo group.

control group
Biology
1 answer:
Anon25 [30]4 years ago
6 0
The second group is the:

Option D. control group
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