• Brainly User
Pollution is the introduction of contaminants into the natural environment that cause adverse change. Pollution can take the form of chemical substances or energy, such as noise, heat or light. Pollutants, the components of pollution, can be either foreign substances/energies or naturally occurring contaminants. it is harmfull becuz it has many adverse effets biologically,socially ,geographically 
1 5 1
plz mark it as brainliest
plz mark as brainliest
Pollution is harmful. Hope I helped u.. Plz mark as the BRAINLIEST answer..
1 5 1