Assertion (A) > : At a temperature of 4000C in the inner core of earth, the iron remains in solid form. Reason (R) > : The pressure in the inner core of earth is about 3-7 million times the atmospheric pressure.

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Q: 12 (IES/2002)

Assertion (A) : At a temperature of 4000°C in the inner core of earth, the iron remains in solid form.
Reason (R) : The pressure in the inner core of earth is about 3-7 million times the atmospheric pressure.

question_subject: 

Geography

question_exam: 

IES

stats: 

0,6,34,30,3,1,6

keywords: 

{'atmospheric pressure': [2, 0, 5, 1], 'inner core': [1, 0, 1, 1], 'iron': [0, 0, 1, 1], 'pressure': [0, 0, 0, 1], 'solid form': [0, 0, 2, 0], 'earth': [0, 1, 1, 1], 'temperature': [0, 1, 1, 7]}

Option 1: Both A and R are true and R is the correct explanation of A. This option states that both the assertion and the reason are true, and that the reason provides the correct explanation for the assertion. However, this is not the correct option because the assertion states that at a temperature of 4000°C in the inner core of the earth, iron remains in solid form. The reason states that the pressure in the inner core of the earth is about 3-7 million times the atmospheric pressure. The reason does not explain why the iron remains in solid form at that temperature.

Option 2: Both A and R are true, but R is NOT a correct explanation of A. This option states that both the assertion and the reason are true, but that the reason is not a correct explanation for the assertion. This is the correct option because while both the assertion and the reason are true, the reason does not provide a correct explanation for why iron remains in solid form at 4000°C in the inner core of the earth.

Option 3: A is true, but R is false. This option states that the assertion is true, but the reason is false. This is not the correct option because both the assertion and the reason are true.

Option