Which is the primary method used to measure the existence of states of health or illness in a population during a given time period

Answer is in the file below

cutt.ly/nz6VGda

answer: apply a medicine

explanation:

answer:

i believe the answer is d).

explanation:

i think this is because you are tearing apart the muscle, and then when you eat, the muscle re-heals, making itself even stronger.

edit: i put b) before but i meant to put d). sorry for the incorrect answer.