What Specific Gas Is Internationally Considered a Top Concern for Air

question 80

Multiple Choice

What specific gas is internationally considered a top concern for air pollution?

• A) carbon monoxide
• B) nitrogen dioxide
• C) carbon dioxide
• D) greenhouse gas
• E) hydrogen monoxide

---

Definitions:

Sensitization

The method wherein continuous exposure to an external factor progressively increases the intensity of a reaction.

Cellular Tolerance

A phenomenon occurring when cells decrease their responsiveness to a substance after repeated exposure.

Environmental

Relating to the natural and built surroundings in which organisms live, including all living and non-living things.

GABAergic Agonists

Compounds that enhance the activity of the GABA neurotransmitter, leading to a reduction in neuronal excitability.