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.
Fossil Fuels were formed as a result of geologic processes acting on the remains of plants and animals that lived and died hundreds of millions of years ago and got buried in the Earth's crust.esides energy, the other major uses of fossil fuels are to make plastics (petroleum based) and fertilizer (from natural gas). They are formed from the decaying remains of ancient plants and animals.