Hi !
Phil's case provides support for the "wear-and-tear" theory of aging.
I believe the activity that will best help prevent the common cold would be D. Covering a sneeze. This will prevent the cold from spreading possibly infecting other people.
Answer:
c nonstop activity that requires large amounts of oxygen and works the heart
The correct answer should be carbohydrates.
Carbohydrates are the main source of energy and without them the cells would have no energy at all, which is why they would start working based on reserves of fat, and if you didn't have that you would die of malnutrition.