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Q.

Match the following              List – I                   List – II          A – CFCs               I. secondary pollutant          B – CH4               II. Refrigerators          C – SO2               III. Primary pollutants          D – PAN              IV. Cattle, rice fields     The correct order   A      B      C      D

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a

II      I       III      IV

b

IV      I       II      III

c

II      IV     III      I

d

I       II      IV     III

answer is C.

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Detailed Solution

CFCs-used in refrigeratorsCH4 produced by rice fields cattleSO2 –primary pollutantPAN – secondary pollutant
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Match the following              List – I                   List – II          A – CFCs               I. secondary pollutant          B – CH4               II. Refrigerators          C – SO2               III. Primary pollutants          D – PAN              IV. Cattle, rice fields     The correct order   A      B      C      D