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The mantle extends from Moho's discontinuity to a depth of about:
A400 km
B6,370 km
C200 km
D2,900 km
Answer & Solution
Correct answer: D. 2,900 km
1. Its upper part is the asthenosphere.
2. The mantle reaches 2,900 km.
3. The core lies below that boundary.
_Source: NCERT Class 11 Fundamentals of Physical Geography, Chapter 3, Interior of the Earth._
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