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Match the following.1. Oxygen(a) 78%2. Nitrogen(b) 0.93%3. Argon(c) 0.03%4. Ozone(d) 0.0006%5. Carbon-di-oxide(e) 21% |
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Answer» 1. (e) 2. (a) 3. (b) 4. (d) 5. (c) |
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