Question

2
Which of the following will be
reduced in air in a city forest
when a lot of dust and fly ash
in emitted buy a coal based
factory in the vinicity
O Nitrogen
O Carbon dioxide
O Oxygen
O Water vapours​

Answer 1

Answer:

(c) oxygen ( i think)

thank you

Answer 2

Ur answer is --

Oxygen

Explanation -- The various air pollutants discharged my motor vehicle and by the burning of fossil fuels in a factory are carbon dioxide , carbon monoxide , nitrogen oxides and smoke. It results in the decrease in the amount of oxygen in the air .

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