I believe the answer is Olgiarchy.
I really hope this helps! I am not definite on the answer but I do feel like it’s the most correct answer that I am aware of. :)
18.D
19.A
20.C
21.B
theses are going to be your answers
B...............I think ...........................
Answer:
The outer layer of the star expands
Explanation:
Late in life, when the hydrogen fuel for nuclear fusion is exhausted, the core of the star tends to collapse. That process generates heat that pushes the outer layers of the star outward.
The outer layer of the star expands.
Explanation:
Mind: Introverted vs. Extroverted
