Final answer:
Fracking, also known as hydraulic fracturing, is a process that produces natural gas by breaking apart rock with a high-pressure mixture to release gas and oil from shale.
Step-by-step explanation:
The form of energy obtained by the process better known as fracking is natural gas. Fracking, which stands for hydraulic fracturing, is a technique that involves drilling into the Earth and injecting a high-pressure mixture of water, sand, and chemicals to break apart rock and release natural gas and oil from shale formations. Other forms of energy mentioned such as wind energy, hydropower, and geothermal power are derived from different processes and sources.