D. Life Cycle.
Think about it this way....
You start out as an infant, you grow older and olde each year and eventually you die. Your souls then goes on into another body and starts the cycle over..
Answer:
D
it's Ddddddddddddddddddddddd
Explanation:
D
He’s dead. Really dead. Very dead.
Answer:
you could add an enzyme to speed up the reaction time and lower the amount of energy needed for the reaction