Answer:Air pollution is contamination of the indoor or outdoor environment by any chemical, physical or biological agent that modifies the natural characteristics of the atmosphere. Household combustion devices, motor vehicles, industrial facilities and forest fires are common sources of air pollution.
Answer:The main causes of pollution in short:1.Industrial Emissions: Factories release harmful gases and chemicals into the air and water.2.Vehicle Emissions: Exhaust from cars and trucks releases pollutants like CO2 and NOx.3.Agricultural Activities:Use of pesticides and fertilizers pollutes soil and water.4.Deforestation: Reduces trees that absorb CO2, increasing atmospheric CO2 levels.5.Waste Disposal: Improper disposal of household and industrial waste contaminates land and water.6.Burning of Fossil Fuels: Releases greenhouse gases and other pollutants into the atmosphere.