The calvin cylce.
a. turns twice to produce one molecule of glucose

b. uses the energy of atp and nadph from the light reactions.

c. all of these
d. starts with the molecule rubp

The correct answer is B. Uses the energy of ATP and NADPH from the light reactions. Hope this helps! Have a blessed day!

the answer is: metamorphic rocks often show the presence of fossils, also a

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-lavira: )

these muscles maintain the blood pressure in the vessels. the smooth muscles are innervated by nerves of the autonomic nervous system. when the muscles contract, they cause vasoconstriction of the vessels and increase blood pressure. when the muscles relax, they enable vasodilation of the   blood vessels hence reduce blood pressure.