Across
- 2. process to liquefy gas
- 4. liquefied natural gas
- 6. place for storage of natural gas (write as one word)
- 7. main component of natural gas
- 8. process to extract gas
- 10. where/how gas is being transported
- 11. product of the combustion of natural gas and air (write as one word)
Down
- 1. name of the reaction between natural gas and oxygen
- 3. a specific mixture of gas and oxygen leading to problems
- 5. product of the natural decomposition process of organic material
- 6. main byproduct of natural gas which needs to be removed
- 8. use of the "left-over" of biogas
- 9. place where water is being heated up