(i) CO2 is used as raw material in photosynthesis.
(ii) CO2 is the source of sugar produced in the process of photosynthesis.
(iii) Carbon particles of carbon dioxide become attached to cell compounds.
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(i) CO2 is used as raw material in photosynthesis.
(ii) CO2 is the source of sugar produced in the process of photosynthesis.
(iii) Carbon particles of carbon dioxide become attached to cell compounds.