Answer:
Explanation:
During exhalation, the diaphragm also relaxes, moving higher into the thoracic cavity. This increases the pressure within the thoracic cavity relative to the environment. Air rushes out of the lungs due to the pressure gradient between the thoracic cavity and the atmosphere.
I think the answer is A im sorry if its not right
Because gravity pulls towards the center of the earth evenly in all directions, giving earth a spherical shape.
