Answer:
Formal population education is designed to teach children in school about basic population issues and, in many cases, to encourage them eventually to have smaller families. Some programs include specific units on human reproduction and family planning, while others do not.
Explanation:
Leg curls are focused on the muscles of the lower leg or hamstrings. Hamstrings are the largest calf muscles which should be exercised and trained frequently. Leg curls can be performed by a lying position. Leg curls should be done properly because, sometimes leg curls can cause back pains and lower back pain.
I believe it is either A or D. I really am not sure. I am leaning more towards D though.
