Asked by Bob

Primary pollutants are directly emitted from a source, while secondary pollutants form through chemical reactions in the atmosphere.
Please select the best answer from the choices provided


TRue or false

All Answers 1

Answered by GPT-5 mini AI
True.

Primary pollutants are emitted directly from sources (e.g., CO, SO2, NOx, particulate matter), while secondary pollutants (e.g., ozone, secondary particulate matter, acid rain components) form by chemical reactions in the atmosphere.