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How much amount of the total oxygen is contributed by the Amazon forest in the earth’s atmosphere?

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One-third

One-fourth

One-fifth

One-sixth

answer is C.

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Detailed Solution

The Amazon rain forest is so huge that it is called the ‘lungs of the planet’. Amazon forest is estimated to produce, through photosynthesis, 20 per cent (one-fifth) of the total oxygen in the earth’s atmosphere.

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