Question

Which of the following components of air pollution is not as a result of a human activities?
a.
methane from landfill waste
b.
dust particulates
c.
carbon monoxide from exhaust gases of vehicle engines
d.
sulfur dioxide from burning coal
e.
nitrogen oxides from burning stoves

Answer 1

Answer:

b

Explanation:

Human activities that are major sources of outdoor air pollution, include:

Fuel combustion from motor vehicles (e.g. cars and heavy duty vehicles)

Heat and power generation (e.g. oil and coal power plants and boilers)

Industrial facilities (e.g. manufacturing factories, mines, and oil refineries)

Answer 2

b. dust particulates