What is the difference of each of the Gas Giants? A. They get cooler as they get closer to the Sun

B. Some are large when compared to earth and others are small

C. Some are made up of just rocks and others are not

D. They get cooler as they get farther from the Sun

Which best describes the present-day universe? opaque, expanding very slowly, stars produce heavy elements transparent, expanding at an accelerated rate, stars produce heavy elements opaque, expanding at an accelerated rate, stars produce only hydrogen and helium transparent, expanding very slowly, stars produce only hydrogen and helium