Paper - 2014
7
27. The major constituent of air is
(a) nitrogen
(b) carbon dioxide
(c) oxygen
(d) hydrogen
Answers
Answered by
0
The major constituent of air is nitrogen. Air consists of 78% nitrogen, 21% oxygen and 1% of other gases, dust, impurities, water vapour.
Please mark this as brainliest =)
Answered by
1
Answer:
nitrogrn
Explanation:
oxygen is 21%so only nitrogen
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