The cohesive properties of water are due to the hydrogen bonding between water molecules. This aids in capillary action, in which water moves upward in the narrow fibers of a plant or tree from the roots to the leaves. The ability of water to cool down and heat up slowly (A) is due to its high heat capacity, not its strong cohesion. Water floats as a solid (B) because it expands upon freezing. It is a universal solvent (C) because it is a highly polar molecule.