C. Hypothermia
Answers A, B, and D are all good strategies to ensure that you do not overheat during practices. Hypothermia is a condition that occurs when your body becomes unhealthily cold. It is not something that you can/should do to yourself, and would only hurt you if you were to attempt it as a strategy to stop overheating.
Answer:
When conducting research, scientists use the scientific method to collect measurable, empirical evidence in an experiment related to a hypothesis (often in the form of an if/then statement), the results aiming to support or contradict a theory.
Explanation:
Round and Red and part of your blood