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What raw materials from the environment are needed in the process of photosynthesis?

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Saaaantyid
Sunlight. Sunlight plays a vital role during the process. Next is carbon which is produced by the human being. Carbon is emitted by humans,machines, etc. Now, if you have already this sunlight and carbon, the plants can now produce "Glucose" which is their food. And in return, the plants emit an oxygen which human being or living things need.
Jannajoydid
 
the raw material are carbon dioxide and water, these two are used by plants to produce starch which is the food of the plants. sunlight is used as stimulus for the plant to undergo photosynthesis therefore it is not a raw material.