Microorganisms causing diseases that characteristically are waterborne prominently include protozoa and bacteria, many of which are intestinal parasites, or invade the tissues or circulatory system through walls of the digestive tract. Various other waterborne diseases are caused by viruses.
As the Moon revolves around Earth, both objects also progress in orbit around the Sun. After completing one revolution with respect to the stars, the Moon must continue a little farther along its orbit to catch up to the same position it started from relative to the Sun and Earth.
The Moon does rotate around its own axis, actually, but it always rotates at just the right speed so that it's facing the earth; this is because of the Earth's gravity, pulling the moon slightly toward it. Watch thousands of astronomy and science videos taught by real science experts completely free.