Respuesta :

dunjablagojevic44

Answer:

The inner core is believed to be composed of an iron–nickel alloy with some other elements. So I guess mostly iron

The earth is made up of three layers that are (upper and lower )crust, (Upper and lower) mantel and (inner and outer) core.

  • The inner core of the earth is made of entirely of metal that is iron and Nickel. It appear to solid compared to the outer core and has a density of  9.9-12.2 g/cm.  
  • The temperature of inner core is 5,200°C and has a pressure of 3.6 million ATM.
  • Hence the option A is correct, as its mostly iron.

Learn more about the composition of Earth's core.

brainly.com/question/2673884.

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