Question

Q.1. Rewrite the statements by choosing the appropriate options:-
1). Our earth was formed approximately—————— state
a). 5.2 billion.
b). 8.3 billion.
c). 4.6 billion.
d). 7.2 billion.
Ans.
2). The innermost layer of the earth is ——————
a). Crust.
b). Mantle.
c). Core.
d). Centre.
Ans.
3). The uppermost layer of the earth's surface is in ——————state
a). Liquid.
b). Solid.
c). Gaseous.
d). Semi-solid
Ans.

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Answer 1

Heyaa....!!

1)4.6 billion.

2)Core

3)Solid

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Answer 2

Answer:

2 a

Explanation: