Answer:
All options
Explanation:
Got it wrong said this was right
I think it's aeration but I'm not 100% sure though.
It goes from high to low. It is explained as it is trying to spread out or it is trying to be equal across a space.
Answer: D. Iron rusts
Explanation: Rust is made from different chemicals in the air that come in contact with said metal. That could be acidic rain for example. Water freezing is only changing temperature. Sugar dissolving is breaking down molecules. Salt and pepper mixed in a dish is a physical change (also that's just plain evil to some people but that isn't the point). Your answer will be D. Iron rusts.
Hope this helps!
