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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:
Tennyson describes Sir Bedivere responding to King Arthur’s question.
Explanation:
edge
We use
personal pronouns in place of noun phrases. We often use them to refer
back to people and things that we have already identified (underlined):
<span>Peter complained to the chef about the meal. She wasn’t very helpful so he spoke to the manager.</span> (she = the chef, he = Peter)
<span>A:<span>Where’s the knife? I can’t find</span> it.B:It’s in the drawer. (it = the knife)</span>
Personal pronouns show person and number. He, she, him and her show gender. They have different subject and object forms (except you, it and one which have only one form):
