Hello there!
I don't know why it was wrong because i felt that answer was correct too but you should try option B.
Hope This Helps You!
Good Luck :)
Answer:
Bones of all shapes and sizes support your body, protect organs and tissues, store calcium and fat and produce blood cells.
Yea, I guess the amount matters than brand
Warm up and cool down before and after exercising
B) more hazardous because your range or visibility is limited by your headlights
