It uses oxygen and gives out carbon dioxide at night.
it uses carbon dioxide and gives oxygen in the morning.
it uses sunlight, chlorophyll, etc.
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Basic characteristics of photosynthesis are:-
1. it take in carbon dioxide through stomata
2.  it takes water through roots
3. it absorb sunlight through chlorophyll
4. it combines carbon dioxide and water in presence of sunlight
5. it produce glucose and oxygen
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