Answer:
d. polarity
Explanation:
Water is considered as the universal solvent because it is able to dissolve the most substances compared to any other liquid. It's polarity is what makes it so capable.
The molecular arrangement of the hydrogen and oxygen molecules in water allows it to attract different substances. The hydrogen side is positive, while the oxygen side is negative in terms of charge. When substances go near it, it is able to disrupt the bonds that the molecule is holding them together.
