Answer:
D. Baking A Cake
Explanation:
Cutting a log is a physical change. Cutting would give rise to a new wood piece .
So.. no new substance is formed so its a physical change.
Dissolving Sugar
A mixture of sugar and water can be separated by using heat.
Heat will separate the water and sugar using a process called Evaporation.
Baking A Cake
When baking your cake it is a chemical change because you can't get your ingredients back. We know that it is a chemical change because heat energy is involved.
. Boiling Water
Boiling water is a physical change.
it can be changed back to its original form by freezing.
