Which letter in the diagram corresponds to CO,CO₂,SO₂,NO,NO₂,most hydrocarbons,and most suspended particles?

Hydrocarbons

Organic compounds consisting entirely of hydrogen and carbon, found in fossil fuels and used as a primary energy source and raw material in chemical manufacturing.

Suspended Particles

Tiny solid or liquid particles that are suspended in air or water, which can be harmful to human health and the environment when inhaled or ingested.

Pollutants

Substances introduced into the environment that cause harm or discomfort to the ecosystem or living organisms, including chemicals, waste materials, and noise.