Which arrow represents the change of state describ above?
The diagram shows changes of state between solid,
liquid, and gas. The atoms of a substance lose energy
during a change of state. Before the change, the atoms
are close together but are able to slide past one
another.
M
ON
gas
ОР
M
z o
Р Q
solid
liquid

Iknow #2 is d. i just need to know why

What human activity increases beach erosion?

Predict the reactants of this chemical reaction. that is, fill in the left side of the chemical equation. be sure the equation you submit is balanced. (you can edit both sides of the equation to balance it, if you need to.) note: you are writing the molecular, and not the net ionic equation. > cacl2(aq) + h20(l)