1. Key Questiosn

2.  Nonrenewable resources  Form in Earth’s crust  Millions of years  Buried remains of once living organisms.

3.  Liquid  Made from decayed sea life  Used to make gasoline, diesel, plastics

4.  Gas  Formed from decayed sea life  Used to cook and heat homes

6.  Solid  Rock  Made from decayed plants

8.  Petroleum/natural gas – drilling  Coal - mining

9.  Non-Renewable  Burning of natural gas and coal - air pollution (smog and acid rain)  Petroleum - water pollution (oil spills)