Q: If this were spread out evenly across the globe, it would form a layer 500 ft thick?
A: All of the salt in the ocean.
Q: Up until 1857, British men were legally able to do this?
A: Sell their wife.
Q: In order to smell more attractive to their female counterparts, the Billy Goat does this?
A: Urinates on its own head.
Q: Leave it to Beaver was the first show to feature this on TV?
A: A toilet.
Q: The weight of all of these on planet earth is greater than the weight of all the humans?