They split up atoms to make power
Answer:
A) potential energy called chemical energy.
<span>He will experience a gradual drop in his testosterone levels as he ages. This will cause a lowered amount of energy and could cause a slight gain in weight. In addition, he may experience fatigue, a loss of body hair, and a general decrease in his strength.</span>
Two key characteristics of a good scientific investigation are hypothesis and observation of whatever organism your studying.