I believe the answer to this is The wave pushes the water particles forward.
<span>The group of nursing students show their understanding of expectorants when they are able to identify the medication called guaifenesin. Guaifenesin is sold under the brand name Robitussin. Guaifenesin, an expectorant, is used in Robitussin specifically to relieve a person's cough and chest congestion.</span>
Examples of lipids include fat boils wags his hormones and steroids. Lipid or non-polar molecules so they are not soluble in polar like water.
