The heavy elements that now make up the stars,planets,and even us were formed
A) at the very beginning of the universe,during the Big Bang.
B) as the energy of the early universe condensed into matter.
C) by unknown processes.
D) by nuclear reactions within early stars.
Correct Answer:
Verified
Q7: At the moment,the best guess for the
Q8: The process that explains the movements of
Q9: An important result of the evolution of
Q10: The earth was formed about
A)1 million years
Q11: At the time the earth was formed,the
Q13: Most of the history of life on
Q14: The extinction that wiped out the dinosaurs
Q15: How old is the first evidence of
Q16: The formation of the "supercontinent" of Pangea
A)was
Q17: The earth's continents drift because
A)they are actually
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