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.Both A and R are true and R is the correct explanation of A. Both A and R are true, but R is NOT a correct explanation of A.A is true, but R is false.A is false, but R is true.