What property of water allows it to stick to the sides of a vertical glass tube?

The correct answer of the given question above would be CONDENSATION. The property of water that allows it to stick to the sides of a vertical glass tube is called condensation. When you see small drops of water that form on a cold surface, this process happens because the gas cools and becomes liquid. This happening is called condensation. Hope this answer helps.

Ibelieve the answer is c. 

Active site is where they touch.