Fluid is a substance that continually deforms(flows) under an applied shear stress. All gases are fluids, but not all liquids are fluids. Fluids are a subset of the phases of matter and include liquids, gases, plasmas and, to some extent,plastic solids.
which area of technology best classifies an iPhone
A taxonomist is a person who classifies things into kingdoms.
Lipids
Taxonomy.
Astronomers classify stars.
kingdom
brachiopods
ibook
It is a homogeneous mixture.
perpendicular
Zoologist
The temperature.