What was the original source of the iron mined from earth

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Many things that we use today, such as automobiles, are made from iron. What was the original source of the iron mined from Earth?

A. the original Big Bang creation event.

B. blobs of liquid metal ejected from the Sun.

C. the core of an exploding supernova.

D. mass lost from red giant stars.

Reference no: EM131126885

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