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.
    Scooby-Doo is a dog in a cartoon show. The show is about four people and the dog, Fred, Velma, Daphne, and Shaggy. They are detectives and always get caught up in â¦ monster mysteries that always have a human bad guy in the end.Scooby-Doo is Shaggy's dog.he show is about four people and the dog, Fred, Velma, Daphne, and Shaggy. They are detectives and always get caught up in â¦ monster mysteries that always have a human bad guy in the end. Scooby-Doo is Shaggy's dog.