The eardrum is a thin flap of skin that is stretched tight like a drum and vibrates when sound hits it.
Answer:
And it makes sense that some people, seemingly surviving by dumb luck, would feel they acted selfishly in not trying to help those less fortunate. It definitely is selfish to act that way; to put one's own survival ahead of others
Explanation:
Polymers are defined as large molecules assembled from smaller, individual molecules.
Answer: B)
