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.
And both these bodies exert a gravitational force on each other. And since Earth is a much larger body, its gravitational pull is stronger than that of the moon's. That's the reason we are still standing on the Earth rather than drifting away to the moon; because the Earth is holding us stronger. Now, unlike solid objects like buildings, mountains etc., Moon is able to slightly pull the water in the oceans, causing tide (The major reason.