The 3 kinds of fossil fuels are pure fuel, coal and oil/ petroleum. The most widely employed fossil fuel is petroleum. This term is derived from the Latin word the place “petro” implies rock and “leum” indicates oil. The fossil records are afflicted by 3 forms of bias: temporal bias, https://dailybookmarkhit.com/story13244078/the-5-second-trick-for-what-is-fossil-record