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Normal 1No Spac.. Heading 1 Heading 2 Clipboard Font Question 13 What two pieces of information does the s-wave shadow zone tell us? Paragraph Styles C size of the core, inner core is solid C inner core is solid, outer core is liquid size of the core, outer core is liquid C size of the core, inner core is liquid Question 14 What seismic, geophysical evidenced do we use to identify the outer core to be liquid? gravity waves paleomagnetism s-wave shadow zone p-wave shadow zone Question 15 Rock or minerals rich in Magnesium (Mg) and Iron (Fe) are said to be Felsic Mafic Intermediate plutonic Question 16 The crust is less than 1% by volume f the Earth. About what percentage volume is the mantle? 50% 60 % 70% 80% r Question 17 The crust-mantle is referred to as the D" layer lower crust, mantle zowe low velocity zone in mantle Moho Question 18 Geophysicists discovered the Moho by determining that seismic wave velocities decreased to S km'see in the mautle increased to 8 km/sec in the mantle decreased to 5 km/sec in the mantle increased to 5 km/sec in the mantle

Explanation / Answer

Q. 14) What seismic, geophysicl evidenced do we use to identify the outer core to be liquid ?

Ans. S-wave shadow zone.

Q.15)Rock or minerals rich in magnesium (Mg) and iron (Fe) are said to be.

Ans. mafic.

Q.16) The crust is less than 1% by volume of the Earth, about what % of volume is the mantle ?

Ans. 80%.

Q.17) The crust mantle boundary is referred to as the

Ans. moho.

Q.18) Geophysicsts discovered the moho by determining that the seismic wave velocity

Ans. increased to 8km/s in the mantle.

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