Multiple Choice
The cosmic background radiation today
A) is present only in galaxies.
B) is present everywhere in the universe.
C) accounts for less of the radiation in the universe than starlight.
D) is visible as a faint glow in the sky on dark nights.
Correct Answer:
Verified
Correct Answer:
Verified
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Q38: The heavy elements in the earth were
Q39: In the past several billion years the
Q40: Studies of the cosmic background radiation suggest
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