Question

Define air pollution.

Answer 1

• Air pollution can be defined as the release of harmful substances such as gases, particulates and biological molecules into the atmosphere by human activities or due to natural processes.
• The air pollutants are the materials present in the air that can have adverse effects on humans and the ecosystem.
• These substances can be solid particles, liquid droplets or gases which are released by chemical factories or by burning of solid waste etc.
  
• It usually causes lung disorders such as bronchitis, asthma, allergies and even death to humans.