Question

The original rock from which Gneiss formed is-
5.
(a) limestone
(b) shale
(c) granite
(d) quartzite
3. Fill in the blanks.
billion
4.6
million years ago.
1. Earth was formed about
waves tells us about the earth's interior.
2.
The behaviour of
of crust varies from place to place.
3. The
4.
Rocks are classified into three groups on the basis of their
of the earth is rich in iron and nickel.
5.
The
21​

Answer 1

Answer:

5.(c) granite

3.3. Fill in the blanks.

billion

4.6

million years ago.

1. Earth was formed about

waves tells us about the earth's interior.

Answer 2

Answer:

5.(a) granite.

(3) the earth was formed about {answer(4.6 billion)} years ago.

(2) The behaviour of {answer(secondary)} waves tells us about the earth's interior.

(3) the {answer(thickness)}of crust varies from place to place.

(4) Rocks are classified into three groups on the basis of their {answer(formation)}.

(5) the {answer(core)} of the earth is rich in iron and nickel.

Explanation:

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