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.
I watched 4 random episodes of the original 1969 series Scooby Doo, Where are you? Times Shaggy's adam's apple appeared in these 4 episodes: 0. Times Shaggy gulped in fear in these 4 episodes: 1 Adam's apple visible in that gulp? No. Times Shaggy ate in these 4 episodes: 0 . Episode 10 - Bedlam in the Bigtop. Times Shaggy's adam's apple appears in episode: 0 One Shaggy scared glup at 3:25 with no adam's apple visible.