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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 the oxygen-carrying capacity of blood |
(c) carbon monoxide | (iii) acid rain. |
(d) chlorofluorocarbons | (iv) greenhouse gas |
Column A | Column B |
(a) sulphur dioxide | (iii) acid rain |
(b) carbon dioxide | (iv) greenhouse gas |
(c) carbon monoxide | (ii) reduces the oxygen-carrying capacity of blood |
(d) chlorofluorocarbons | (i) damage ozone layer |
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