Question

soot results from burning organic compounds. soot is an example of
a a primary pollutant
b a secondary pollutant
c a tertiary pollutant
d none of the above

please select the best answer from the choices provided

a
b
c
d

Explanation:

Primary pollutants are pollutants emitted directly from a source. Soot is released directly from burning organic compounds (like in incomplete combustion), so it's a primary pollutant. Secondary pollutants form in the atmosphere from primary pollutants, and tertiary pollutants aren't a standard pollution classification category here.

Answer:

A. a primary pollutant