The answer is B hope that helped
Answer:
A summary is a brief summarization of a larger work that gives the reader a comprehensive understanding. To write a summary, a writer will gather the main ideas of an article, essay, television show, or film they've read or watched and condense the central ideas into a brief overview.
Explanation:
hope this helps you if it does please mark brainliest
B. Bone denesity because as we age our bones become brittle and can break easily hence why older people often break their wrist or hips when falling. And being fit can help.