First gap is BY USING MAGNETS
2nd is ELECTROLYSIS
3rd is EVAPORATION
A mixture called a solution, I think.
Answer:
# 5
Explanation:
The question describes silver being "poured" into a mold and cools to become a solid bar. This is the phase of liquid to solid. When a element cools down below it's freezing points to become a solid.
<u>Liquid to Solid Definition:</u>
Freezing, or solidification, is a phase transition in which a liquid turns into a solid when its temperature is lowered to or below its freezing point. All known liquids, except helium, freeze when the temperature is low enough.
Answer:
It emits energy since to move from a higher energy level to a lower energy level or ground state, it must lose energy.
Answer:
C
Explanation:
You can see in the chemical equation that 7 
are used up to produce 6
