Q: What common air pollutant is characterized by its sharp odor and often triggers asthma attacks?


Read this paragraph and choose the correct option from the provided answers:

Nitrogen dioxide is a toxic gas with a sharp odor. It can irritate the eyes and throat and trigger asthma attacks. It is a major air pollutant.

 Choices:

- plant dioxide

- pigment dioxide

- Carbon Dioxide

- nitrogen dioxide


A:
nitrogen dioxide