question_answer

                      

Fill in the blanks:

(a) The uppermost layer of the earth's surface is called the ______

(b) The deepest mine in the world is in _____

(c) Mantle extends up to the depth of ____ km below the crust.

(d) Any natural mass of mineral matter that makes up the earth's crust is called a ____.

(e) Igneous and sedimentary rocks changes into ____rocks due to excessive heat and pressure.

Answer:

(a) crust

(b) South Africa

(c) 2900

(d) rock

(e) Metamorphic