Zipper fracking is a new technology that produces more oil and more gas, safely and effectively, all from rock formations. Well drilling is another way, you get clean, natural gas by drilling into wells that connect into the ground. All that being said, we could also get chemical energy to be more safer, more usable, more efficient, and cleaner, if people were not careless with their work.
Microorganisms such as bacteria can be removed by disinfection. Certauns substances called biocides are addes to water to make it pure. Purification can also be done by UV-light .
Mineral spirits or rubbing alcahol
Is this school work ? can you tell me so i can tell you professical or common