Question

4 number over now next four....​

Answer 1

Answer:

The Mantle is the layer beneath the earth's crust. It consists of two layers: upper and lower mantle. The upper mantle is called asthenosphere, “astheno” is a Greek word meaning 'weak'. It is called weak layer because it is in liquid state where rock material deforms more readily, and magma formation takes place.

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Answer 2

Decimal Number4,. 4-bit Binary Number0100 Hexadecimal Number0