Which of the following is an example of a chemical change? toasting a marshmallow. mixing sugar and water. gasoline evaporating. a ice cube melting.

A chemical change will result in different molecules in the products of the reaction than were there initially.

For example, Toasting a marshmallow would be an example of chemical change because toasting a marshmallow will cause its sugars to cook/burn causing a crust made of new substances.

No other answer choice gives us products that are different from the reacting materials. Therefore, the rest of the answer choices must all be physical changes.

Mass of water is smething that you froma drug test or sum girl ya

C: plants and animals