Nature of Physical Geography
Quick practice
Question 1 of 5
Consider the following statements about Earth's mantle:
I. The mantle lies below the crust and extends to a depth of about 2900 km.
II. It is composed mainly of silicate rocks rich in iron and magnesium.
Which of the statements given above is/are correct?
A
II only
B
I only
C
Neither I nor II
D
Both I and II
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