How can carbon dioxide be considered a pollutant when it is a natural component of ait?
a carbon dioxide is considered a pollutant even though it is a natural component of air, because tis
harmful to all living organisms
b. carbon dioxide is considered a pollutant when larger concentrations than normal are present in the
air as a result of human activity
c carbon dioxide is considered a pollutant, because it forms harmful chemicals when moved with
other pollutants in the air
d. carbon dioxide cannot be consider
select the best answer from the choices
b