During the first moments of the big bang when elements could be created, nuclear fusion reactions made few heavy elements because
a. all heavy nuclei are unstable.
b. no stable nuclei exist with masses of 5 or 8 hydrogen masses.
c. the helium nucleus is unstable.
d. the temperature and density were too low.
e. no nuclei heavier than helium could form since there weren't any electrons formed.
Question 2
Synchrotron radiation occurs when high-speed electrons move through a magnetic field.
a. True
b. False
Indicate whether the statement is true or false
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How noncyclic electron flow during the light reactions generates ATP and NADPH.
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NADH acts as a reducing agent in several reactions
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Hydro, nuclear, and biomass are “conventional” alternatives