"Energy cannot be created or destroyed." Explain why this is true in relation to photosynthesis and respiration.

b would be the right answer

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link:

the answer is c on e2020, bud.