It expands as it solidifies. It is transparent. It dissolves many substances. It is a compound.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which of these is a property of water that allows it to transport materials through the Earth system?
Possibilities:
- It expands as it solidifies.
- It is transparent.
- It dissolves many substances.
- It is a compound.

It dissolves many substances.