Question

what does photo in photosynthesis refer to?

Answer 1

It refers to the light ( sunlight)....
Actually in Science the term photo means light....
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Answer 2

Answer:

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Explanation:

Plants absorb sunlight and turn that energy into food; the process is known as photosynthesis. This is a compound word made up of photo (which means "light") and synthesis (which means "to put together").