1.

Match the followingGroup-AGroup-B1. OxygenA) 78%2. NitrogenB) 0.03%3. ArgonC) 21%4. Carbon dioxideD) 0.93%5. All othersE) 0.04%

Answer»
Group-AGroup-B
1. OxygenC) 21%
2. NitrogenA) 78%
3. ArgonD) 0.93%
4. Carbon dioxideB) 0.03%
5. All othersE) 0.04%


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