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The balanced chemical equation for photosynthesis is.

12 H2O + 6 CO2 =in the presence of sunlight & chlorophyll= 6 H2O + 6 O2 + C6H12O6

As you can see water (H2O) and carbon di-oxide (CO2) are needed in the presence of sunlight and chlorophyll.
A plant needs these for photosynthesis:
sunlight
water
chlorophyll
carbon dioxide

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15y ago

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