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Questions and Answers
What are the three main types of rocks?
What are the three main types of rocks?
- Volcanic, sedimentary, and metamorphic
- Igneous, sedimentary, and metamorphic (correct)
- Granitic, sedimentary, and metamorphic
- Molten, sedimentary, and metamorphic
How are igneous rocks formed?
How are igneous rocks formed?
- Through the erosion of other rocks
- Through the cooling and solidification of magma or lava (correct)
- Through the compression of sediments
- Through the metamorphosis of existing rocks
What are the two forms in which igneous rocks solidify?
What are the two forms in which igneous rocks solidify?
- Granular and crystalline rocks
- Natural glasses and crystalline rocks
- Intrusive and extrusive rocks (correct)
- Sedimentary and metamorphic rocks
What percentage of the top 16 kilometers of the Earth's surface do igneous and metamorphic rocks make up?
What percentage of the top 16 kilometers of the Earth's surface do igneous and metamorphic rocks make up?
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What causes the melting of existing rocks to form magma?
What causes the melting of existing rocks to form magma?
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