What is the maximum Water Vapour content in the atmosphere?

A. 2 to 3 per cent
B. 3 to 4 per cent
C. 4 to 5 per cent
D. 5 to 6 per cent
Answer» B. 3 to 4 per cent
Explanation: The atmosphere of Earth is a layer of gases surrounding the planet. Earth that is retained by Earth's gravity. The atmosphere protects life on Earth by absorbing ultraviolet solar radiation, warming the surface through heat retention (greenhouse effect), and reducing temperature extremes between day and night. Air is the name given to the atmosphere used in breathing and photosynthesis. Dry air contains roughly (by volume) 78.09% nitrogen, 20.95%
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