What best describes how fossil fuels from?

How much does a Gorgonopsid weigh? How did humans most likely live during the stone age? Hartly hare and Topov what classic 70's kids program were they in? What artifacts tell us the most about prehistoric cultures? What did the sheep evolve from? Sentence with the word trace fossils? Where are Green Men found? When was The Mountain of the Cannibal God created? What is a fossil fuel often found with petroleum? Why was cattle so important for the iron age farmers? What do dalon cortez smith look like? When did the dracorex die? What is it called the age of humans? When did an ice age take place? Now extinct what very large animal was the foundation of all northern cattle breeds? Did cavemen use condoms? What two messages was the god of the sea sending with the attack of the hound? Why was William Paley important to the creation story? What happens if you eat stone? What did the stone age people hunt?