Over millions of years what type of fuel forms from the dead organisOver millions of years what type of fuel forms from the dead organisms acted on by temperature and pressure of the earthms acted on?

Over millions of years, dead organisms, particularly plants and marine life, can transform into fossil fuels such as coal, oil, and natural gas. This process occurs under conditions of high temperature and pressure within the Earth's crust, leading to the decomposition and chemical alteration of organic matter. Coal primarily forms from ancient plant material, while oil and natural gas are derived from the remains of marine organisms.