Plants grow as new organic molecules are formed by plant cells.Most of the carbon in the newly created organic molecules of these plants ultimately came from

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Carbon dioxide in the air is one of the major sources of carbon for plants during photosynthesis. Plants use sunlight energy to convert carbon dioxide into organic molecules such as sugars, which then can be used for growth and maintenance. Therefore, most of the carbon in newly created organic molecules of plants ultimately comes from the carbon dioxide in the air.

Plants Grow as New Organic Molecules Are Formed by Plant