Which of the following is true about loss of bone strength in middle adulthood?
a) loss in bone density usually begins in the early twenties and accelerates in the thirties.
b) environmental factors do little to slow bone loss in postmenopausal women.
c) loss of bone strength causes the disks of the spinal column to collapse.
d) by the end of middle adulthood, women have lost 70 percent of their bone density.

this doesn't seem to be an actual health/school question. yet, im gonna answer it as if it is one. (by the way, im here for you if it isnt).

humans are very odd creatures. yet, this question is very biased against males. all genders do happen to cheat on their wives / husbands. the real question should be why genders cheat on the person they love. some people might make bad choices, or just make a mistake

explanation:

answerrunning;