4.1. Classification of Pollutants

Try these first

1. 1.

   What are the three main pathways of exposure to pollutants?

   Hint

   Use the acronym 'IIS'.

2. 2.

   Name one source of air pollution.

   Hint

   Think about transportation and industry.

3. 3.

   What is one way pollutants can enter the human body?

   • Through skin contact
   • By listening to music
   • Through body language

   Hint

   Remember the acronym 'IIS' for pathways.

4. 4.

   True or False: Pollutants can only come from industrial activities.

   • True
   • False

   Hint

   Think about various sources of pollution.

5. 5.

   Explain how a specific chemical pollutant can travel from a car exhaust to the lungs of a person sitting in traffic.

   Hint

   Consider the role of air movement and breathing.

6. 6.

   Discuss the implications of sediment pollution in rivers and how it may eventually affect human health.

   Hint

   Think about the cycle of pollution in water bodies.