Seismic surface waves travel along the Earth's surface. They can be classified as a form of mechanical surface waves. They are called surface waves, as they diminish as they get further from the surface. They travel more slowly than seismic body waves (P and S). In large earthquakes, surface waves can have an amplitude of several centimeters.
gnaw meaning, definition, what is gnaw: to bite or chew something repeatedly, usually making a hole in it or gradually destroyingâ¦. Learn more.
A gnat /Ënaet/ ËnÃ¦t is any of many species of tiny flying insects in The dipterid Suborder, nematocera especially those in the Families, Mycetophilidae anisopodidae And. Sciaridae In, english the term applies particularly To nematocerans of the Family (culicidae). mosquitoesnat larvae are mostly free-living and some are aquatic. Many feed on plants, though some are carnivorous. Larval plant feeders (such as the Hessian fly larva) cause root, stem, or leaf galls to be formed by the host plant.