Question

iron is a useful metal​

Answer 1

Answer:

From being a crucial building block of steel to nourishing plants and helping carry oxygen in your blood — iron is always busy helping sustain life on Earth. ... In animals, it is a component of hemoglobin — a protein in blood that carries oxygen from the lungs to the tissues in the body.

Explanation:

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Answer 2

Iron eventually became the least expensive metal on Earth. That's because iron, as found in ores, is our most plentiful element by mass. Iron makes up most of Earth's core, which produces Earth's magnetic field, protecting us from cosmic rays and solar wind.

RankCountryUsable iron ore production (thousand tonnes)

World2,500,0001

Australia 930,0002

Brazil 480,0003

China 350,000

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