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.
Bobby was not only a regular on The Lawrence Welk Show for 21 seasons but is also now hosting the just-renewed reruns that show up in syndication on PBS. The Mouseketeers weren't allowed to keep their costumes or ears, but Cubby is said to have the biggest collection of memorabilia, including, he said, Cubby and Karen (Pendleton) cut-out dolls.