Answer: Because buildings would fall to the ground.
Explanation: Some buildings are built on the coast, due to this, the cities would be destroyed.
Answer:
capillaries:carry blood away from the body and exchange nutrients waste and oxygen with tissues at the cellular level.
veins:are blood vessels that bring blood back to the heart and drain blood from organs and limbs
Answer:
supporting a variety of organisms, cleaning oil from oceans, producing oxygen
Explanation:
While they do have some medical benefits, those are still being explored and its looking for <em>important roles </em>these seem more important.