* ANSWER ASAP * What type of pollution contains tiny particles that remain in the air and may be breathed in by humans? a.) gaseous emissions b.) carbon monoxide c.) aerosols d.) nitrous oxide

A

Explanation:

answer: the blood-brain barrier is a layer of specialized membranes and cell processes designed to keep undesirable substances from passing from the bloodstream into the precious tissues of the brain. while the blood-brain barrier does keep most bad things out of the central nervous system, it is not impermeable.

explanation:

answer; the above answer to the above statement is (true)