Tens of millions of years.   Coal is a fossil fuel created from the remains of plants that lived  and died about 100 to 400 million years ago when parts of the earth  we â¦ re covered with huge swampy forests. Coal is classified as a  nonrenewable energy source because it takes millions of years to  form.
New Scooby episodes, in the original Scooby-Doo, Where Are You! format, were produced for each of these three seasons. Four of these episodes featured Scooby's dim-witted country cousin, Scooby-Dum, as a semi-regular character.
South Park season 20 to premiere on September 14, 2016. We monitor the news to keep you updated on the release date of South Park season 20. New episodes are scheduled to premiere on Comedy Central on September 14, 2016. If you want to get reminded of the showâs premiere date, please, sign up for updates below.