1. The document discusses different types of natural resources, including coal and petroleum. It explains that coal and petroleum are fossil fuels formed over millions of years from the remains of dead plants and organisms. 2. Key facts about coal include that it is a solid fossil fuel used for electricity generation. Processing coal produces useful byproducts like coke, coal tar, and coal gas. Petroleum is a liquid found underground that is refined to produce fuels like gasoline and diesel. 3. Natural gas is another fossil fuel that forms alongside petroleum deposits underground. It is cleaner burning than other fossil fuels and can be transported via pipelines. However, all fossil fuels are exhaustible resources that will run out if not