Question

which gas is used by plants for respiration
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Answer 1

Answer:

Oxygen.

Explanation:

The gas Oxygen is used by plants for respiration.

For photosynthesis, they use carbon dioxide gas. During the day, they do photosynthesis, but at night they do respiration.

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Answer 2

Answer:

The gas carbon dioxide is needed for photosynthesis to take place in plants and is also produced when plants respire. Oxygen is a product of photosynthesis - it is needed as a reactant during aerobic respiration within a plant.

Explanation:

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