Answer:
i think it is c on edginuidty
Explanation:
<span>Pleural sac is a two
layered membrane formed when a serous membrane known as pleura folds back onto
itself. Thus, the pleura invest the lungs and line the walls of the thoracic
cavity. However, the potential volume of the thoracic cavity increases during
inhalation.</span>
Answer:
The two types of quantities scientists consider when examining is Scalars and Vectors
