Question

________ is composed of dense and heavy substance like iron and nickel​

Answer 1

Answer:

Earth's outer core

Explanation:

Earth's outer core is a fluid layer about 2,400 km (1,500 mi) thick and composed of mostly iron and nickel that lies above Earth's solid inner core and below its mantle. Its outer boundary lies 2,890 km (1,800 mi) beneath Earth's surface.

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Answer 2

Answer:

inner core is compresed of dense and heavy substance like iron and nickle