please answer from 20 c to 23 c . help will be highly appreciated. waves cannot

Question

please answer from 20 c to 23 c .
help will be highly appreciated.

waves cannot travel through fluids, the fact t tue are not present in seismic waves that penetrate deep nto Earth suggests a fluid zone near Earth's center The Earth Beyond Our View In addition to the lithosphere, the other major zones of Earth's interior include the asthenosphere, mantle The study of earthquakes has contributed greatly to outer core, and inner core. After you have rehsi Earth scientists' understanding of the internal structure these zones and the general structure of the a of Earth. Variations in the travel times of P and S waves rior, use Figure 8.10 to answer questions 19-24 Surface 1000 Swaves P waves 2000 3000 Depth (km) 5000 5000 10 12 1 Velocity (km/sec) Figure 8.10 Earth's interior with variations in P and S wave velocities. (Data from Bruce A. Bolt)

Explanation / Answer

223(a)2320(c) is not similar to zone A

21It extend to the depth of 2885km(1800miles)y

I21(a) Zone C is earth’s Mantle

21(b) From this stage S waves passes and it is not absorbed which indicates Zone C is solid and not liquid.

21(c)it consists of Iron/magnesium-rich silicate rocks)

22(a) Outer Core

22(b)S waves are absorbed in case of Zone D which indicates this part is made up of liquid and not solid.

22(c) decreases

23 Inner Zone

23(a)6378kms,centre of the earth

23(b) P waves passes through this zone indicating a solid zone.

23(c)It is made up of solid and is consists of Iron and Nickel

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