4.4 Water pollutionIB Environmental Systems and Societies SL: Flashcards

What these 15 flashcards ask

• Name five sources of water pollution.
• Point source vs non-point source?
• Why does plastic collect in ocean gyres?
• What are microplastics?
• How can plastic be removed from the supply chain?
• How can existing plastic be cleared?
• What is water quality?
• What is a water quality index (WQI)?
• Define BOD.
• What does a high BOD indicate?
• Define eutrophication.
• Why do submerged plants die in eutrophication?
• Why does oxygen fall after an algal bloom?
• Which ecosystem services are lost in eutrophication?
• Name the three levels of eutrophication management.