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Questions and Answers
Accretion of dust particles
first
Physical collision
second
Gravitational accretion
third
Molten protoplanet due to heat of accretion
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Which layer of the Earth is composed of dense metals like Nickel and Iron?
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Which layer of the Earth consists of rocks?
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Which layer of the Earth is the outermost layer and made up mostly of light elements?
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Which step in the formation of Earth involves the sinking of heavy materials to the center and the rising of light materials to the surface?
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