Hey there! you might want to check your question once again.
Answer:
It would be the sun! aka b
Explanation:
Energy from the sun and the force of gravity drive the continual cycling of water among these reservoirs. As the water is heated, it changes state from a liquid to a gas. This process is called evaporation. As more energy is added to the water, the water molecules move faster and farther apart.
The adverb that tells when, where, and how is 'sometimes'.
<span>SparkNotes: The Kite Runner: Chapters 12–13</span>
