Answer:
D
Explanation:
A and C are physical changes, while B is a solution, only D is a chemical reaction.
Naturally occurring, inorganic, crystalline structure is a mineral
5 plates is the highest amount that can be served
There’s only 5 sandwiches so 7 is automatically ruled out, there’s 14 corn cobs and 5 sandwiches only need 10 so it works out
