Question

(6) Particulate matter (PM) is caused by ......
(i) sulphur dioxide
(iii) the reaction of SO, and NOX
(ii) nitrous oxides
(iv) fossil fuel burning​

Answer 1

SULPHUR DIOXIDE.....

___________

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Answer 2

Particulate matter (PM) is caused by ......

(i) sulphur dioxide ✔✔

(iii) the reaction of SO, and NOX

(ii) nitrous oxides

(iv) fossil fuel burning