The atlantic ocean is expanding. what does this tell us about plates under the atlantic ocean?
a. they are being forced down
b. they are being force apart
c. they are being pressed together
d, most likely nothing is happening to the plates

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