1.

Match the items of Column A with those of Column B.Column AColumn 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) chlorofluorocarbons(iv) green house gas

Answer»

(a)–(iii), (b)–(iv), (c)–(ii), (d)–(i)



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