4.1 What is Pollution?

• Pollutants causes pollution in the environment
• Pollutants are used to describe substances that can bring unfavorable changes to different water bodies, land, and air.
• Pollutants can be dust, smoke, chemicals (e.g., Methyl mercury), or factors such as heat or noise discharged into our environment.
• Pollution brings a detrimental effect on our environment
• Pollution refers to the changes in physical and chemical properties and the biological characteristics detrimental to various bodies of water, land, and air.
• Pollution brings harmful effects on human life and the environment as a whole
• Bio-magnification refers to the gradual increase in concentration/accumulation of chemicals
• Trophic Transfer the movement of compounds (molecules) along the food chains towards the members of the higher tropical level