Assertion: The earths magnetic field is due to iron present in its core
Reason: At a high temperature magnet loses its magnetic property or magnetism

Both A and R are true and R is the correct explanation of A

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Both A and R are true and R is not correct explanation of A

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A is true, but R is false

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A is false, but R is true

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Solution

The correct option is D A is false, but R is true

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Assertion: The earths magnetic field is due to iron present in its coreReason: At a high temperature magnet loses its magnetic property or magnetism

The correct option is D A is false, but R is true

Assertion: The earths magnetic field is due to iron present in its core
Reason: At a high temperature magnet loses its magnetic property or magnetism