1 Wear safety goggles to protect your eyes. 2  Never use a plunger if a chemical cleaner is present in the drain; you risk splashing the chemical on yourself.  Never remove a trap with chemicals present; you risk burns to your skin. Call a professional but make certain you inform them of what chemical you used.
Originally Answered: Why is the Moon drifting away by 1 cm each year? Because of tidal forces between moon and Earth. As Earth and moon pull each other, bulges are created on the surface.
All orbiting bodies are acted on by gravity. It attracts them to each other. The other factor is inertia. The moon orbits the earth because it is in motion and its inertia, coupled with the attraction of gravity, keeps it in its orbit.