Recently it has been proposed that three domains be added to our hierarchy of classification of living things. When these domains are added, where do they fit in the hierarchy?

not sure if this what   you'r looking for would be percent composition

that is wrong, its not thymus.

igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.

the contamination

we are putting to many trash.