Define outer core and how thick is it and the temperature

The outer core, about 2,200 kilometers (1,367 miles) thick, is mostly composed of liquid iron and nickel. the outer core is very hot, between 4,500° and 5,500° Celsius (8,132° and 9,932° Fahrenheit)

Explanation:

a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be?

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positive reinforcement? ?