Answer:
People refer to marijuana as the great social experiment because not only does it help people but it tents to make people more social or more closed off
Explanation:
<span>When an individual is more than a couple of meters underwater, the air pressure in the lungs is greater than the air pressure at the waters surface. If a snorkel were used, it would move the air from the lungs to the surface, making it very difficult to breath
</span>
ANSWER A.Travis’s heart pumps more quickly to allow oxygen to be removed from the air and transported to the tissue.