A person sleeping under a tree at night feels when he wakes up in the morning as trees release more during night.

energised

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lethargic

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normal

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carbon dioxide

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oxygen

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nitrogen

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Solution

The correct option is D carbon dioxide
A person sleeping under a tree at night feels lethargic when he wakes up in the morning as trees release more carbon dioxide during night. At night photosynthesis is suspended and the tree is only respiring which means it'll intake oxygen and give out carbon dioxide. Inhaling carbon dioxide throughout the night will make the person feel lethargic in the morning.

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