One of the main causes of air pollution in cities is emissions from vehicles like cars and trucks. Cars emit various pollutants which are bad for human health when inhaled, like1. Nitrogen oxides (NOx)2. Carbon monoxide (CO)3. Carbon dioxide (C02).4. BenzoneQ. Which of the above pollutants are not tolerated by human beings even at very low levels?a)1 and 4 onlyb)1 and 2 onlyc)1,2 and 3 onlyd)1,2 and 4 onlyCorrect answer is option 'D'. Can you explain this answer?

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Q. Which of the above pollutants are not tolerated by human beings even at very low levels?

a)
1 and 4 only
b)
1 and 2 only
c)
1,2 and 3 only
d)
1,2 and 4 only

Correct answer is option 'D'. Can you explain this answer?

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NDA I - English & General Ability 2016

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One of the main causes of air pollution in cities is emissions from ve...

Nitrogen oxide is one of the major pollutants emitted from cars and trucks in cities causes air pollution. Other air pollutant which are carbon monoxide and benzene.

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One of the main causes of air pollution in cities is emissions from vehicles like cars and trucks. Cars emit various pollutants which are bad for human health when inhaled, like1. Nitrogen oxides (NOx)2. Carbon monoxide (CO)3. Carbon dioxide (C02).4. BenzoneQ. Which of the above pollutants are not tolerated by human beings even at very low levels?a)1 and 4 onlyb)1 and 2 onlyc)1,2 and 3 onlyd)1,2 and 4 onlyCorrect answer is option 'D'. Can you explain this answer?

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