True they are in the heart as well as the rest of your body
Answer:
Observing & Hypothesizing
Explanation:
The knowledge obtained when scientists answer one question often generates other questions or proves useful in solving other questions. Scientists gather information and answer questions collectively known as the scientific method.
Answer:
The control variable is the soldier.
Explanation:
The same soldier is used throughout the test
Answer: The answer would be high frequency
Explanation: