Water is a liquid at room temperature. Water can contain different minerals. Water expands when it freezes. Water dissolves many chemicals.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Water is a very important part of the physical weathering of rock. Which of these properties of water is most important in causing some of the physical weathering of rock?
Possibilities:
- Water is a liquid at room temperature.
- Water can contain different minerals.
- Water expands when it freezes.
- Water dissolves many chemicals.

Water expands when it freezes.