Answer:
Air is easily susceptible to contamination when
other gases not common to its composition are integrated into it. This creates an imbalance
in the appropriate percentages of its natural components. The main polluting
sources of air are: motor traffic resulting from the
burning of fossil fuels, such as gasoline: industries that expel gases such as methane, sulfur dioxide;
the burning of garbage and vegetation generated by carbon dioxide and
chloroflurocarbons used in aerosols extract from reading 4 identified verbs and put them in their present, past and future verbal times
Explanation:
