b. i hope thats the right answer and works
Answer:
The photosphere is the visible surface of the Sun that we are most familiar with. Since the Sun is a ball of gas, this is not a solid surface but is actually a layer about 100 km thick (very, very, thin compared to the 700,000 km radius of the Sun).
The answer would be 20 percent
As long as you have a good grade for LANGUAGE ARTS in the 1st and 2nd semester you should be fine
