Turtles are cold blooded meaning to use the sun to keep warm Austin a hypothesis the hospital prefer swimming in warm water he places his turtle on a rock in the middle of the bathtub and measures how much time the turtle spends off the rock doing a five minute. He conducts experiment on the four conditions in the bathtub no water warm water cold water and room temperature water in this experiment which is a control group

Explanation:

This question is a little indirect but what should be noted is that the control group of any experimental research is the group that is not subjected to any form of treatment and is the first group in which the other groups (experimental groups) are compared to.

The control group in the experiment described in the question is the group placed in the bathtub with no water

answer: a chemical reaction

explanation:

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