With reference to the interior of the earth consider the following statements.
1] The earth's core is made up of very heavy material.
2] The mantle extends from Moho's discontinuity to a depth of 2,900 km.
3] The material in the upper mantle portion is called magma.
Which of the statements given above is / are correct?

A

1 and 2 only

B

2 and 3 only

C

1, 2 and 3

D

3 only