Consider the following:
Carbon Monoxide
Methane
Ozone
Sulphur Dioxide
Which of the above are released into atmosphere due to the burning of crop/biomass residue?
a. 1 and 3 only
b. 2, 3 and 4 only
c. 1 and 4 only
d. 1, 2, 3 and 4
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UPSC 2019 - Question 35
UPSC 2019 - Question 35
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