David Rittenhouse was the first director of the U.S. mint.
The only shape that fits that definition is the sphere. So, gravity is the answer to why Earth is round! If you've seen pictures of asteroids that exist in outer space, you may have noticed that some of them are irregular, rocky shapes. That's because they're not big enough to pull themselves into a sphere.
The reason is that there is a water shortage happening there. They needed to conserve water and be supplied from sources. Right now there are strict measures in the use of water in that area to ensure that it does not go to waste.
