Answer:
it means everything that your answer contains (including the answer itself) must have data/evidence to strongly back up your answer
Answer: The cancer of the skin metastasizes into the lymph joints (spreads), and they run everywhere in the body, dropping bad cells when they go. the lungs are super vascular (carry a lot of blood flow), and so is the organ. Therefore, they are favorite places for the cancer cells to end up and grow.
Explanation: hoped this helped:)) you can just search it up
The answer is A) they provide a source of energy.
