Answer:
Option B, The average temperature is 4,000 degrees.
Step-by-step explanation:
The temperature in the inner core of earth is extremely high with the maximum temperature record of
degree Celsius and an average temperature of
degree Celsius.
The inner core of earth crust is made up of molten iron and nickel which rotate or move continuously , thereby producing earth's magnetic field. The iron and nickel is heavier than several element on planet earth.
Hence, option B is correct.