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Pavlova-9 [17]
3 years ago
14

Chang described two substances which participate in photosynthesis.

Biology
1 answer:
cluponka [151]3 years ago
3 0

Answer:

- Substance A is chlorophyll and Substance B is oxygen.

Explanation:

Chlorophyll is the green coloring matter responsible for the green color of a leaf.

It helps in trapping sunlight for the purpose of photosynthesis.

In the event of photosynthesis, carbon dioxide is used, the gas produced is oxygen.

This makes the right choice be the first option.

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