Question

Methane an air pollutant is produced ______.
A) by action of ultraviolet light on nitrogenous compounds. B) as a by-product of manufacturing ammoniacal fertilizers C) by burning of coal in insufficient air D) by digestion of food by animals

Answer 1

Answer:

A

Explanation:

A by action of ultra violet ray ....................

Answer 2

Answer:Option A

Explanation:Ultraviolet-radiation-induced methane formation from meteorites could explain a substantial fraction of the most recently estimated atmospheric methane mixing ratios3,4. Stable hydrogen isotope analysis unambiguously confirms that the methane released from Murchison is of extraterrestrial origin.

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