Power source (battery/energy) a copper/metal wire, and then a receiver
Answer:
The options a and b are correct
Explanation:
This options provided to the question are the answers to the question. But for clarification. When the fat melts, the change of state that occurs here is from solid to liquid (which is called melting) while the change of state that occurs when the water evaporated is from liquid to gas (which is called evaporation).
Answer:
1
Explanation:
there is only one sulphur (S) atoms in the formula for sodium sulphate