It is best say that most human sources of air pollution result from

the burning of fossil fuels

not sure if this is what you'r looking for eubacteria and archaebacteria

some fungi obtain their nutrients from a living host (plant or animal) and are called most biotrophic fungi have fairly narrow host ranges—they are specialized on a limited called rhizomorphs that allow the fungus to grow from one tree to another. ascospores are formed inside a sac-like structure called an ascus. so your answer is a