Answer:
A star can live for billions of years: Option A.
Explanation:
The given excerpt clearly indicates that a star can run out of hydrogen and energy only after millions or billions of years. Only then it collapses to a little ball with gravity. This means it would live till those millions or billions of years.
'Black hole' is a region in the space which has such strong gravitational force that it pulls every object that passes through it. Albert Einstein predicted that black star would exist if a dead star also had enough gravity. Hence, "option A" is the correct one.
Answer:
If you describe the way that someone behaves as confrontational, you are showing your disapproval of the fact that they are aggressive and likely to cause an argument or dispute.
Explanation:
<h2>I hope it's helpful for you</h2>
I think it’s c because I remember I had this question on my test
