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.
Earth's orbit around the Sun changes. Earth is farthest from the Sun on its orbit when it is summer in the Northern Hemisphere. Changing Elliptical Orbit. Earth orbits the Sun in an elliptical path, which means that there is 1 point of the path when the Sun is at its closest to the Earth and 1 point when it is furthest away. Orbit Changes Shape The shape of this path varies due to gravitational influences of other planetary objects, particularly the Moon.