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Importance of Air
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Question 1
Which gas in the atmosphere is essential for respiration?
Question 2
Mountaineers carry oxygen cylinders with them because
Question 3
Which among the following activities are possible due to the presence of air?
Question 4
Which among the following gases are essential for the atmosphere?
Question 5
Wind does not help in the movement of which of the following?
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Dec 19Class 6th