Where was all the hydrogen in the universe
Where was all the hydrogen in the universe formed?
A. in nuclear reactions in the cores of stars
B. in supernovae(exploding stars)
C. in the dark clouds of dust and gas
D. in the Big Bang, at the very beginning of the universe
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Which of the following amino acids has a net charge of +1 at pH 4 and a net charge of 0 at pH 8?
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Fusion is the process by which Fusion is the process by which
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