Question

A pollutant which is directly released into the environment is called __________.

• A. primary pollutant
• B. secondary pollutant
• C. tertiary pollutant
• D. none of these

Answer 1

The correct option is A primary pollutant

Introduction of substances that are harmful to the environment is called environmental pollution and the substance is called pollutant.
A pollutant which is directly released into the environment is called primary pollutant. Examples of primary pollutants are Carbon mono oxide, particulate matter like dust, ash, salt particles etc.