The early universe was composed mainly of which two elements?
A) Hydrogen and helium
B) Carbon and oxygen
C) Hydrogen and oxygen
D) Carbon and Iron
Correct Answer:
Verified
Q26: If you compared the diameter of the
Q27: Light from the Sun takes about _
Q28: Measuring distances in the amount of time
Q29: What are the advantage(s)of placing telescopes in
Q30: If the diameter of our galaxy is
Q32: Which of the following is FALSE?
A) The
Q33: The Local Group is the environment around
A)
Q34: Our universe is approximately _ years old.
A)
Q35: Which of the following is FALSE?
A) A
Q36: A _ becomes a _ when repeated
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