1.

2] mantle with reference to the following pointsa. upper mantle, b. Lower mantel .and don't give IRRELEVANT ANSWERS​

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Answer:

MANTLE :-

  • The lithosphere is the solid, outer part of the EARTH, extending to a depth of about 100 kilometers (62 miles). The lithosphere INCLUDES both the crust and the brittle upper portion of the mantle. The lithosphere is both the coolest and the most rigid of Earth's layer.

UPPER MANTLE :-

  • The upper mantle of Earth is a very thick layer of rock inside the planet, which begins just beneath the crust and ends at the top of the lower mantle at 670 km. TEMPERATURES range from approximately 200 °C at the upper boundary with the crust to approximately 900 °C at the boundary with the lower mantle.

LOWER MANTLE :-

  • The lower mantle is the liquid inner layer of the earth from 400 to 1,800 miles below the surface. The lower mantle has temperatures over 7,000 degrees Fahrenheit and pressures up to 1.3 million times that of the surface near the outer core

⚕️ NONEXISTENT⚕️


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