Answer:
A red giant is a luminous giant star of low or intermediate mass in a late phase of stellar evolution. The outer atmosphere is inflated and tenuous, making the radius large and the surface temperature around 5,000 K or lower.
Answer:
The answer is definitely D
Explanation:
C. The number of protons in the atoms nucleus.
<span>The "exosphere" is the most distant and tenuous "layer" of our atmosphere.</span>
