Freshwater Pollution Guided Notes
Holt Environmental Science Section 5.2, pg. 131
- What is water pollution? When chemicals get into the water and lower its quality
- What are the major causes of water pollution? Pathogens, organic matter, organic chemicals, inorganic chemicals, toxic chemicals, physical agents, and radioactive waste
- What is point pollution? Pipes from a factory polluting water
- What is nonpoint pollution? Oil from automobiles
- Why is nonpoint pollution a more serious problem? Because its hard to regulate
**Leave some room here for a sketch (wastewater treatment)**
- What is sludge and how do we deal with it? The byproduct of cleaning up waste we incinerate it and throw it in a secure ladnfill when done
- What are pathogens? Disease causing organisms such as bacteria, viruses, and parasitic worms
- How can biological magnification affect polluted aquatic ecosystems? It makes it very dangerous and extremely toxic
**Leave some room here for sketches (biomagnifications & eutrophication)**
- What is thermal pollution and why is it a problem? It can kill many fish at a time by making warm spots in the water from factories waste heat
- What is the Clean Water Act? When was it passed?to restore the chemical and physical structure of the nations water passed in 1972
- Why will groundwater pollution be a long-lasting problem? it discharges slowly
- Where does most bottled water come from? Filtered and processed tap water