Which of the following is an example of a chemical change? A. Cutting A Log
B. Dissolving Sugar
C. Boiling Water
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.

the growth of the plants is affected by the heat of the light. what is the student doing?

the planets have a circular orbit around the sun.