Which one of the following describes the Lithosphere?

Upper and lower mantle

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Crust and upper mantle

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Crust and core

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Mantle and core

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Solution

The correct option is A Crust and upper mantle
Lithosphere is the rigid, rocky outer layer of the earth, consisting of the crust and the solid outermost layer of the upper mantle. It extends to a depth of about 100 km. It is broken into about a dozen separate, rigid blocks, or plates. The lithosphere is underlain by the asthenosphere which is the weaker, hotter, and deeper part of the upper mantle.

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Similar questions

Discontinuity	Layers
1. Lehmann	outer core and inner core
2. Conrad	upper mantle and lower mantle
3. Gutenberg	Lower mantle and outer core

Discontinuity	Location
1. Conrad Discontinuity.	between the upper and lower crust
2. Mohorovicic discontinuity	between the outer core and the inner core
3. Repetti Discontinuity	between the upper mantle and the lower mantle
4. Guttenberg Discontinuity.	between the Earth's crust and the mantle.

Question 2

Which of the following joints is immovable?
(a) Shoulder and arm
(b) Knee and joint
(c) Upper jaw and skull
(d) Lower jaw and upper jaw

Which of the following alternatives is true?

(i) The class mid-point is equal to

(a) The average of the upper class limit and the lower class limit

(b) The product of upper class limit and the lower class limit

(d) None of the above

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