Atmospheric air contains the following in varying amounts. (a) Nitrogen (b) Carbon dioxide (c) Argon (d) Oxygen Arrange them in the decreasing order their percentage in the air.
A
(d), (a), (b), (c)
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B
(a), (c), (b), (d)
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C
(c), (a), (b), (d)
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D
(a), (d), (c), (b)
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