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Amazon rainforests are considered as 'lu...

Amazon rainforests are considered as 'lungs of the planet' as they contribute______of the total oxygen in the earth's atmosphere.
(a) 10 %
(b) 15 %
(c) 20 %
(d) 30 %

A

0.1

B

0.2

C

0.3

D

0.25

Text Solution

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The correct Answer is:
B
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