Where do the electrons that are excited by the energy in sunlight come from?

Name: Where do the electrons that are excited by the energy in sunlight come from?
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Question

Quizplus · Accepted Answer

Electrons that are excited by the energy in sunlight come from water during the light-dependent reactions of photosynthesis. Water is split into oxygen, hydrogen ions, and electrons, and the electrons are then passed along the electron transport chain to generate energy in the form of ATP and NADPH.

Where Do the Electrons That Are Excited by the Energy