Draw
a
with
neal diagram of the interior of the
Earth and describe the layers of the interions
the following points
* meaning
They chemical composition
.
+ her chief characteristics
Its depth
* Its temperature
*
Density of each layers of the interior
Its location
of the Earth
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1
Answer:
Publisher Summary
- This chapter describes the general physical properties of the Earth. The core consists of an outer core which is fluid and an inner core which is most probably solid—there may also be one or more transition zones between these two regions. The major source of the information about the Earth's interior comes from the field of seismology. Following an earthquake, elastic waves travel throughout the Earth and may be observed at the large number of seismological stations distributed across the world. There are two distinct types of elastic waves—“P” waves and “S” waves. A “P” wave is a condensation-rarefaction wave involving change of volume. Motion of the medium is longitudinal so that there is no polarization of a P wave. An “S” wave is a shear wave in which there is distortion without change of volume. S waves are transverse waves and thus exhibit polarization. Surface waves are set up: these have yielded valuable information about the crustal layers of the Earth.
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