Paint thinners and dry cleaning solvents are considered sources of air pollution.
a. true
b. false

True. These two commonly used materials are found in many households and are called household pollutants. These products release toxic chemicals in the air and when released it causes deterioration in the indoor quality of air of any household. Studies have actually indicated that outdoor air quality is far better than indoor air quality. As an alternative for this method manufacturers are now learning to produce green products or environmental friendly products that contain lesser toxins that are harmful to the air quality of households.