A man is sitting in a boat which is floating in a pond. If the man drinks some water from the pond, the level of water in the pond will:

When a man is sitting in a boat which is floating in a pond. If the man drinks some water from the pond, the level of water in the pond will remain unchanged. The boat will sink slightly as the man's weight increases, displacing the same amount of water consumed by the man. As a result, the pond's water level has risen to the same level as when the man drank the water. As a result, the water level will remain unchanged.