Choice A (all exercise) would be the correct answer.
Answer:
if he/she attains puberty stage
Explanation: it is an established fact that for every living entity, growth is prominent which gives room for physical, behavioural, biological, environmental changes. all the aforementioned and other innate factors contributes to changes in an individual.
Vitamin D helps strengthens bones which would prevent osteoporosis
I believe it’s D, please correct me if I’m wrong