A is the answer to the question
<u>d) observing how the heart contracts to pump blood
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Is this a true or false answer or what?
Answer:
60 decibels
Explanation:
the higher the decibel the louder the sound and if her earplug block only a little she cannot watch it safely
Answer:
<em><u>Health psychologists study the roles of stress and coping in people's lives.</u></em>
