Blood Types. Distinct molecules called agglutinogens (a type of antigen) are attached to the surface of red blood cells. There are two different types of agglutinogens, type A and type B.
Fossil fuels are hydrocarbons, primarily coal, fuel oil or natural gas, formed from the remains of dead plants and animals. In common dialogue, the term fossil fuel also includes hydrocarbon-containing natural resources that are not derived from animal or plant sources.
11. Fossil fuels are non-renewable energy sources that formed more than 300 million years ago during the Carboniferous Period-long before dinosaurs roamed the Earth.Fossil fuels are made up of plant and animal matter.1. Fossil fuels are non-renewable energy sources that formed more than 300 million years ago during the Carboniferous Period-long before dinosaurs roamed the Earth.