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.
Answer:
In economics, a factor market is a market where factors of production are bought and sold
I would go with A. It seems the most obvious to be correct plus it is true.
Answer:
they wanted land and rescoures to make money and they needed slaves.
Explanation: