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UPSC Civil Services 2019 Prelims General Studies Paper I

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Question : 41

Total: 100

Consider the following statements:
1. Agricultural soils release nitrogen oxides into environment.
2. Cattle release ammonia into environment.
3. Poultry industry release reactive nitrogen compounds into environment.
Which of the statements given above is/are correct

1 and 3 only
2 and 3 only
2 only
1, 2 and 3

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