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.
Serious but not dark. show that you are trying hard to get your point across but not to hard. also, dont be so serious that you creep them out
Strange and exotic.
If there is an adjective after the noun, its predicate adjective.
I don't think this is a question.
Don’t plagiarize. That’s how you get kicked out of school
