Waterver!
Pollu-shun
Oldy but a goody
100

What is the issue with building dams along rivers. (Think environmental issues)

Disruption of local ecosystems

100

The largest source of natural pollution 

Volcanic activity 

100

Deforestation leads to an increase in 

Carbon dioxide

200

What are ways chemicals like cosmetics and medications can enter a water system? 

Runoff

200

Define point source pollution 

Can easily be identified from a single source

200

Number one use for burring fossil fuels 

Electricity generation 

300
Define desalination. Why don't we use it more? 

Removes salt from water

To expensive

300

What is a human activity that endangers and risks marine ecosystem. (Think pollutions) 

Sinking chemical waste in oceans 

300

Why would relocating an invasive species to a new region not work in reducing there numbers 

No natural predators

400

The most likely source of thermal pollution in a river ecosystem would be what? 

Hydroelectric power plants

400

A harmful effect that thermal pollution causes is 

Lower oxygen levels in water

400

What irrigation technique can we use to decrease the demand of water in agriculture? 

Drip irrigation 

500

Define potability

Fit to drink

500

What is the MOST likely source of water pollution in rural areas like the southern parts of Minnesota?

Agriculture

500

List the 4 main reasons to desertification 

overgrazing

soil erosion

Wind erosion

Deforestation