Light energy is changed to cell energy in the process of

Light energy is changed to cell energy in stage 1 of photosynthesis. The green pigment that a absorbs light energy is chlorophyll. Fermentation is the opposite process of cellular respiration.

Explanation:

the correct answer: the index of refraction of the second medium is lower i tried this persons answer and it was wrong this person is lying

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.