Question

nickel and iron are found in ?
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Answer 1

Answer:

Iron and nickel are the most abundant metals in metallic meteorites and in the dense metal cores of planets such as Earth. Nickel–iron alloys occur naturally on Earth's surface as telluric or meteoric iron.

Answer 2

Answer:

Nickel is one of the primary elements of the Earth's core which is thought to be made mostly of nickel and iron. It is also found in the Earth's crust where it is about the twenty-second most abundant element. Most nickel that is mined for industrial use is found in ores such as pentlandite, garnierite, and limonite.