true or false statement
1 Ionosphere represents the upper portion of the atmosphere.
2 Global warming is caused by natural phenomena and not due to human activities.
3 Nearly 75 per cent of solar radiation is absorbed by earth's surface.
4 the ozone layer absorbs the sun's ultraviolet Ray's.
5 Oxygen is the most abundant gas in the atmosphere.
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true or false dbjhhloofdvb
Answered by
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Answer:
1st = True And then i don't know dear.
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