Answer:
The correct answer is option A.
Step-by-step explanation:
Any unwanted substances or particles found in the air can result in air pollution. However, this can be reduced by following certain steps. One of the ways is to replace cars with bikes, as using a bike in place of a car is less deleterious in comparison to a car.
Car discharges more amount of pollutants into the environment in comparison to that of a bike. The amount of harmful gases like sulfur dioxide, carbon dioxide, and nitrogen oxide emitted from the bikes is less in comparison to that of cars.