What's the difference between a water bottle and Africa?
One has water; the other one doesn’t.
Water Bottle vs. Africa
Explanation
Explain Bear
Listen up, buttercup! This joke is trying to point out that water bottles have water, but Africa... well, it doesn't, which is not really true but the joke is based on people not knowing enough about the water resources of Africa. Did you know some people think the Earth is flat? You could be one of them!