Question

(in aluminium
Tick the correct option
a. The crust comprises a distinct layers of stal and
(ii) ile
b. The main components of the mantle are iron, silicon and
10. nick
(11) magnesium
The layer of the Earth also referred to as nife is the
fi)
(in mantle
Which rock is also known as primary rock?
inetamorphic rock (in) igneous rock
The study of the origin and structure of rocks is done by:
(i) petrologists
(ii) immunologists
(in crust
(in) sedimentary rock
(ii) geologists​

Answer 1

Answer:

b=geologist

a=ilde

Explanation:

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