Question

Define pollutant and pollution.

Answer 1

Answer:

Explanation:

Pollutant is any substance already present in environment or a new substance whose concentration increases to undesirable proportions causing danger to living organisms or other materials. Pollutants are the substances which cause pollution. Pollutants can be physical or chemical.

Answer 2

Answer:

Explanation:

• Pollutant is any substance already present in environment or a new substance whose concentration increases to undesirable proportions causing danger to living organisms or other materials.
• Pollutants are the substances which cause pollution. Pollutants can be physical or chemical.

• 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.