2.1 - How do pollutants enter the environment?
2.2 - Examine pesticides and how they biomagnify within an ecosystem.
2.3 - What are the properties of acids and bases?
2.4 - What is toxicity and how do we measure the different levels of this in ppm, ppb?
2.5 - Explain the role of the ozone layer and how CFC's impact this layer.
3.1 - What are some international treaties that are in place?
3.2 - How do we treat our wastewater?
3.3 - What are some technologies that we use to remove contaminants?
3.4 - What role do landfills have in our society?