The average U.S. household generates more than ________ tons of toxic carbon dioxide gas every year.
1. 80
2. 40
3. 60
4. 20
Over ______ billion people in the world lack access to electricity.
1. 2.9
2. 1.8
3. 1.6
4. 1.2
Geothermal power uses the heat from the earth.
1. true
2. false
The sun shines approximately ______ watts of energy per square meter of the planet's surface.
1. 1100
2. 1300
3. 1200
4. 1000
Ice storms are not dangerous storms.
1. true
2. false
Dumping is the wastes in water bodies.
1. false
2. true
An estimated __________ Americans get sick each year from water pollution.
1. 7,500,000
2. 7,200,000
3. 7,000,000
4. 6,000,000
What are ground fires usually started by
1. a spreading fire
2. lightning
3. people smoking

Reduce, Reuse, Recycle