Saturday, 1 September 2012
Irritation in eyes is caused by the
pollutant
(A) Sulphur di-oxide
(B) Ozone
(C) PAN
(D) Nitrous oxide
Irritation in eyes is caused by the
pollutant
(A) Sulphur di-oxide
(B) Ozone
(C) PAN
(D) Nitrous oxide
Irritation in eyes is caused by the
pollutant
(A) Sulphur di-oxide
(B) Ozone
(C) PAN
(D) Nitrous oxide
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