gabbym39077
12.07.2019 •
Chemistry
You just found a metallic object in a creek bed. you have found its mass to be 96.5 g, and it displaces 5 ml of water. what is the substance?
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Ответ:
Ответ:
The arm that was not sprayed with anything
Explanation:
The control group would be the arm that was not sprayed with anything.
The control group during an experiment is a group that forms the baseline for comparison in other to determine the effects of a treatment. The control group does not include the variable that is being tested and as such, it provides the benchmark to measure the effects of the tested variable on the other group - the experimental group. In this case, the experimental group would be the arm that was sprayed with the repellent.