Answer:
D
Explanation:
The answer is D because it clearly states all of the important details from paragraph two. I hope this helps<3
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.
Question 4 is b
question 5 is a
question 6 is b
Answer:
Agricultural economists are concerned with the study of efficiency in farm production, with the returns that will result from employing various quantities and combinations of inputs in farming, and with determining the best farm production alternatives under given physical and economic conditions.
Explanation:
I just took the quiz the right answer is A. Car
