Sometimes people involved in a disagreement must compromise, or A. give up something, to solve the problem.
Answer:
D.
Explanation:
A. just isn't true. B. isn't true either because, like bacteria, we are adapting to their changes. C. isn't right either because some bacteria helps us survive. D. is the only true statement.
Answer:
coronary arteries
Explanation:
The aorta (the main blood supplier to the body) branches off into two main coronary blood vessels (also called arteries). These coronary arteries branch off into smaller arteries, which supply oxygen-rich blood to the entire heart muscle.
I think the anwser is letter b
