Brown fields are property redevelopment
The answer is a) because when muscles contract, myosin heads attach to actin and breaks down ATP. Energy is released, pulling actin filaments and muscle contracts. Essentially actin and myosin filaments are sliding past each other.
Answer:
a, energy for cell processes is released
While in photosynthesis carbon dioxide and water yield glucose and oxygen, through the respiration process glucose and oxygen yield carbon dioxide and water.