Question

could somebody please check my answers?? there doesn't seem to be a subject for astronomy, sorry..

3. All objects emit radiation as a result of
a. an increasing number of charged particles forming within the object
b. charged particles being accelerated
!c. the growing number of charged particles within the object.
d. releasing tension built by charged particles within the object.
4. the universe could grow indefinitely if
a. dark matter reduces in size.
b. stars keep recreating themselves.
!c the universe is flat and full of matter.
d. the universe is flat and depleted of matter.

Answer 1

They Are All Correct Your Good to go:)