Question

list the three sources of nitrogen oxide pollution

Answer 1

1) agriculture
2) human sewage
3)fossil fuels

Answer 2

These are the sources of nitrogen oxide pollution:

- The most common source is the reaction between nitrogen and oxygen in the air during the combustion process.

- Another source is the reaction of nitrogen in the presence of other gases such as in car engines.

- Last but not the least; it can naturally be produced by the process of lightning.