Answer:
It's not fire it's a combination of elements like carbon, nitrogen, oxygen, and even many metals, but the hydrogen the sun has turns into helium via nuclear fusion and has a hot core
As far as I remember the answer is: Over long periods of time, tectonic forces can cause rocks to fold because of <span>B. Shear Stress.</span>
I think the answer is (c)
Earth is the 3rd closest.