12
QuizMultiple Choice

The Sun — Unit test

Question 12 • 26/27 EARTH & SPACE SCIENCE A

Which best describes the present-day universe?

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