Question

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Answer 1

Answer:Q1)In physics, a surface wave is a mechanical wave that propagates along the interface between differing media. A common example is gravity waves along the surface of liquids, such as ocean waves. Gravity waves can also occur within liquids, at the interface between two fluids with different densities.The two main types of waves are body waves and surface waves. Body waves can travel through the earth's inner layers, but surface waves can only move along the surface of the planet like ripples on water. ... The P wave can move through solid rock and fluids, like water or the liquid layers of the earth.

Explanation: Q2)At the coast, low tide is the time when the sea is at its lowest level because the tide is out.the periodic rise and fall of the waters of the ocean and its inlets, produced by the attraction of the moon and sun, and occurring about every 12 hours. the inflow, outflow, or current of water at any given place resulting from the waves of tides. flood tide. a stream or current.