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Question
Match the items of Column A with those of Column B.
| Column A | Column B |
| (a) sulphur dioxide | (i) damage ozone layer |
| (b) carbon dioxide | (ii) reduces oxygen-carrying capacity of blood |
| (c) carbon monoxide | (iii) acid rain |
| (d) chloroflurocarbons | (iv) greenhouse gas |
Solution
| Column A | Answers |
| (a) sulphur dioxide | (iii) acid rain |
| (b) carbon dioxide | (iv) greenhouse gas |
| (c) carbon monoxide | (ii) reduces oxygen-carrying capacity of blood |
| (d) chloroflurocarbons | (i) damage ozone layer |
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