Match the wildlife species to the threats caused by them.
collision with cars
loss of food grains
threat to livestock
rats
deer
cougars

Cougars: threat to livestock
Deer: collision with cars
Rats: loss of food grains
Hope it helps!

Air pollution: “combustion results in gases such as nitrogen oxides, nitrogen dioxide and particulates. the main causes of air pollution include transport, domestic combustion and industrial processes. pollutants from these sources can cause problems in the immediate vicinity and a distance away.”