I think it’s physical change, because the objects aren’t changing into another substance, just changing their physical shape. Hope this helps!
Answer: The correct answer would be C. Salt crystals are hard and brittle because they are made up of atoms that combine by ionic bonding.
Explanation: All the other ones are chemical changes because a new substance is formed.
The answer is Alternating Current
The answer is....
214.28
which would be 214.3 or 214
