Respuesta :

cks21

Answer:

light

Explanation:

Light is the bedrock of photosynthesis the light here is from the sun.

Chlorophyll

carbon dioxide

water

Now the substances produced during photosynthesis are; ATP( Energy),sugar,oxygen.

KanaKittyKat

Answer: The substances needed are Light and carbon dyoxide

Explanation: The plants take in carbon dyoxide, and emit oxygen for animals and humans, and the plant take in light.

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