When the earth is formed, it's condition can best be described as : Hot and molten
Mostly because of the magma that it contain. When the temperature of the magma decreased, its substance turn into a solid substance that eventually will become the land that we stepped on.
Answer:
B. It was used to power the first trains
Explanation:
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Answer:
Minerals make up rocks. ... Igneous rock , formed by the cooling of magma (molten rock) inside the Earth or on the surface. Sedimentary rocks, formed from the products of weathering by cementation or precipitation on the Earth's surface. Metamorphic rocks, formed by temperature and pressure changes inside the Earth.