HELP!!! Considering the origins and processes involved in how natural gas, petroleum, and coal formed, which of the following is the best explanation regarding
why these resources are referred to as fossil fuels?
Natural gas, petroleum, and coal were formed by breaking open rocks that contain fossils from millions of years ago.
Natural gas, petroleum, and coal were only formed during the Jurassic period when dinosaurs walked the Earth.
Natural gas, petroleum, and coal were formed when organic matter that has been buried deep in the Earth was subjected to heat and pressure
over millions of years.
Natural gas, petroleum, and coal were formed when elements came together to form planet Earth billions of years ago.