<span>the remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock.</span>
I am pretty sure its Detailed instructions correct me if I'm wrong hope this helps.
Answer:
respiration
The source of the energy required to regenerate ATP is the chemical energy stored in food (e.g. glucose). The cellular process of releasing energy from food through a series of enzyme-controlled reactions is called respiration . Some of the energy released is used to produce ATP.
Explanation:
all based on research.