What is the Earth made up of?

Answer

Different parts of the Earth are made out of various things. The Earth's core is mostly composed of nickel and iron, the mantle is made up of rock containing different minerals. The crust is mostly made up of oxygen, silicon, iron, potassium and magnesium. The Earth's surface is covered with liquid water and the atmosphere is primarily made of nitrogen and oxygen, with little amounts of carbon dioxide and other gases.
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1 Additional Answer
The Earth is made up of many different things. It is about 70% water, and its atmosphere is made of oxygen and nitrogen. It is also made of mantle and crust.
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