Which arrow represents the change of state described above?
The diagram shows changes of state between solid,
liquid, and gas. The atoms of a substance lose energy
during a change of state. After the change, the atoms
are close together but are able to slide past one
another.
gas
OL
ON
O
ОО
P
7
M
zo
P.
solid
liquid

This drawing shows a human body system. what is the primary function of this body system?

Pegmatites are igneous rocks in which the individual minerals are very large. typically, the minerals are all light-colored quartz, feldspar and muscovite. if you were given a black and white photograph of a pegmatite in a quarry (where the rock has been blasted and broken), what physical properties could you use to identify those three minerals in this hypothetical photo? describe each mineral and the specific diagnostic properties. be specific.

How many atoms or molecules are there in a mole of a substance?