What environmental conditions might cause damage to the alveolar sacs, and what would be the consequences of that damage?

the second one and the forth one are in the purple because they are opinions and the rest are in the yellow

explanation:

jupiter is the largest planet in our solar system, having a mass and radius that are respectively, 318 and 11.2 times that of earth. suppose that an object falls from rest near the surface of each planet and that the acceleration due to gravity remains constant during the fall. each object falls the same distance before striking the ground. determine the ratio of the time of fall on jupiter to that on earth.