I believe the answer is B)bone mass declines. When a person has thin bones, they are usually diagnosed with Osteopenia. Osteopenia can lead to Osteoporosis. When bones thin, they are able to break easily. I am 80% sure this is the answer:)
Answer:
it is.important because you never know whats gonna happen anytime time so thats why you have to be alert
Explanation:
for example if someone is trying to hurt you
Answer:
Turn off the lights of any room you're not in
Use energy saving bulbs
Explanation:
