Across
- 5. most common use of natural gas in homes
- 6. not produced when methane is burned
- 8. 34% of natural gas is used for this
- 9. reducing the amount of something you use
- 10. 3% of natural gas is used for this
Down
- 1. where natural gas pipes are located
- 2. natural gas is largely made of this
- 3. main heating source in most U.S. homes
- 4. natural gas is used to create this
- 7. rotten egg smell added to natural gas