Cooled magma is turned into a plutonic igneous rock, eg. Granite (you can see the difference between plutonic and volcanic because plutonic have large crystal particles)
which area of technology best classifies an iPhone
A taxonomist is a person who classifies things into kingdoms.
Lipids
Taxonomy.
ibook
brachiopods
Astronomers classify stars.
kingdom
It is a homogeneous mixture.
perpendicular
Zoologist
below 7