Water Pollution Flashcards
1
Q
List the types of freshwater and marine pollution sources
A
sewage
industrial discharge
solid domestic waste
transport
tourism
surface run off
2
Q
List the sources of marine pollution
A
- rivers
- pipelines
- oil spills
- discharge from ships
- cruise ship sewage
3
Q
Biochemical oxygen demand is a _____ of the amount of ______ required to break down ______ through ____ activity
A
measure
dissolved oxygen
organic material
aerobic
4
Q
What are ways water-quality can be tested?
A
biochemical oxygen demand
chemical oxygen demand
turbdity
ammonia
dissolved oxygen
5
Q
Eutrophication is when a body of water becomes overly _____ with ____ and ____ that induce _______ of plants and algae
A
enriched
minerals
nutrients
excessive growth
6
Q
What are changes that may occur after eutrophication?
A
- turbidity - reduces light
- desposition of sediment - reduces water speed
- diversity of primary producers changes and decreases
