Photosynthesis cannot happen without: O light
O chlorophyll
O carbon dioxide
O all of the above
O none of the above

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All of the above — plants need light, chlorophyll, and carbon dioxide to perform photosynthesis, a chemical reaction producing glucose (which provides energy for the plant.)

sorry i was late, but i don't know what assignment your talking about, i'm in flvs as well, im in earth space science. but u are behind pace bc every class should be in the 3's or 4'