The right answer is D. hope this helps
Answer:
It is the primary mechanism for evolution.
Explanation:
Answer:
Well,
Explanation:
Roughly 5 billion years from now, the Sun will exhaust the hydrogen fuel in its core and start burning helium, forcing its transition into a red giant star. During this shift, its atmosphere will expand out to somewhere around 1 astronomical unit — the current average Earth-Sun distance.
