Match the items given in column I with one or more items given in column II :

$\begin{matrix} Column I & Column II (i) prevents photosynthesis & (a) Sewage dumped in river (ii) Damage ozone layer & (b) Excess fertiliser in fields (iii) Produce acid rain & (c) Carbon dioxide in air (iv) Kill fish by deoxygenating water & (d) Dust in air (v) Causes water borne diseases & (e) CFCs (vi) Leads to global warming & (f) Sulphur dioxide in air \end{matrix}$

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Solution

(i) d Dust in air

(ii) e CFCs

(iii) f Sulphur dioxide in air

(iv) b Excess fertiliser in fields

(v) a Sewage dumped in river

(vi) c Carbon dioxide in air

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(i) d Dust in air (ii) e CFCs (iii) f Sulphur dioxide in air (iv) b Excess fertiliser in fields (v) a Sewage dumped in river (vi) c Carbon dioxide in air

(i) d Dust in air

(ii) e CFCs

(iii) f Sulphur dioxide in air

(iv) b Excess fertiliser in fields

(v) a Sewage dumped in river

(vi) c Carbon dioxide in air