The answer would be C.
The salt and the water have both undergone physical changes.
Hope this helps!
Answer:
But-2-ene is your answer i guess
Answer: Magnets have a force which is known as no contact force. This force tries to attract the metallic objects near it, which makes it move.
Explanation:
Answer: The amount of energy lost by the metal is equal to the amount of energy gained by the water
Explanation: