A longitudinal wave occurs when the disturbance moves in the same direction as the wave itself. Sound is an example of a longitudinal wave. A compression is where the particles of the medium are closest together, and a rarefaction is where the particles are farthest apart.
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Foremost of these are magma viscosity, gas loss and external properties such as conduit geometry. Ultimately, these parameters control the speed at which magmas ascend, decompress and outgas en route to the surface, and thus determine eruptive style and evolution.
<u>Answer:</u>
Streams, any running water from a creek to a furious waterway, complete the hydrologic cycle by returning precipitation that falls ashore to the seas. A portion of this water moves over the surface, and a few travel through the ground as groundwater. Streaming water takes every necessary step of both disintegration and testimony.
Streams with a high angle have a quicker speed and more noteworthy competence. Particles that are too huge even to consider being conveyed as suspended burdens are knocked and pushed along the stream bed, called bed load.
When groups with different languages have constant interaction within a given space, a new language is created out of the two languages.
Answer: Option B
<u>Explanation:</u>
Every country have its own language. In Germany people speak German language, in China they speak Chinese and so on.
But what happens when people from two different countries interact who speak two different languages which are unknown for both of them? In such cases new languages are being created. There’s also a name for such cases, it is called creole.
Many languages sounds similar, and they also have many common words, this in itself develops into a new language. British-Canadian is an example of new language.
