Answer:
Osteoclasts then become more active without estrogen, and your body breaks down more bone. Certain medical conditions and some medications can speed up the process of osteoporosis. This is called secondary osteoporosis.
Answer:
Light is electromagnetic radiation within a certain portion of the electromagnetic spectrum. The word usually refers to visible light, which is the visible spectrum that is visible to the human eye and is responsible for the sense of sight.
I believe the answer for this would be B. Just using the process of elimination knocks out D and A, and plants make carbs not protein during photosynthesis :)
