Across
- 3. Natural gas consists largely of _______ as well as other hydrocarbons
- 4. Natural gas is produced from different types of decaying ________ materials.
- 6. Natural gas is a _____ _____, so it can worsen asthma and lung function.
- 9. The ______ uses of natural gas are heating, electricity generation, and industrial use
- 10. another word for natural gas
Down
- 1. Natural gas is ________ than other fuels
- 2. It is stored in ____________ facilities in tanks.
- 5. Natural gas has to be _________ or turned into a liquid to be used as transportation fuel.
- 7. Natural gas is a _____ gas.
- 8. Natural gas has a relatively ____ cost.