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.
He's a great dane. This is revealed in Scooby-Doo, Where Are You! season 1 episode 5 'Decoy for a Dognapper'. Scooby Doo is a big goofy Great Dane!! Hi, I understand that you are looking for some advice or resources to help fully train your dog or fix behavior problems. A friend recommened it to me a few years ago, and I was amazed how quickly it worked, which is why I recommend it to others.