Many synthetic organic compounds such as plastic polymers, and a few natural ones, contain halogen atoms; these are known as halogenated compounds or organic halides. Chlorine is by far the most abundant of the halogens in seawater, and the only one needed in relatively large amounts (as chloride ions) by humans.
What is the difference between a tsunami and a tidal wave? Although both are sea waves, a tsunami and a tidal wave are two different and unrelated phenomena. A tidal wave is the wave motion of the tides. A tidal wave is a shallow water wave caused by the gravitational interactions between the Sun, Moon, and Earth.
Waves are a means of transferring energy, without actually transporting matter. Waves can be either transverse or longitudinal. Transverse waves can be set up on a string or on the surface of water. For this type of wave, the disturbance is at a right angle to the movement of the wave. Longitudinal waves can be set up on a spring, in the air when a sound wave passes, or in heavy traffic.