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Rocks that are melted by heat and then cooled are classified as: igneous sedimentary metamorphic
Weegy: When the earth's crust moves, it causes igneous rocks to get squeezed so hard that the heat causes the rock to change into metamorphic rock. Sedimentary rock is formed after long exposure of the metamorphic rock to erosion and weather. (More)
Question
Updated 11/13/2012 7:56:23 AM
2 Answers/Comments
The first is that there are three major classes of rocks differentiated from one another by their processes for formation. Igneous rocks are formed by the cooling of molten rock forming material known as magma and lava.

Sedimentary rocks are formed at the Earth’s surface from the weathered pieces of preexisting rocks. Metamorphic rocks are formed by the physical and chemical alteration of preexisting rocks by the application of heat and pressure.

Added 11/13/2012 7:53:50 AM
This answer has been added to the Weegy Knowledgebase
i didn't flag this because the auto-answer is partially correct. the question seems ambiguous. both igneous and metamorphic rock are heated and then cooled.
Added 11/13/2012 7:56:37 AM
Following this agreement, the Germans experienced an economic depression, desired revenge, and had new leaders come to power. Berlin Conference League of Nations Communist Pact Treaty of Versailles
Weegy: Following Treaty of Versailles, the Germans experienced an economic depression, desired revenge, and had new leaders come to power. (More)
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Updated 223 days ago|5/13/2014 9:44:37 AM
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Find the quotient. 12 a3 p4 ÷ -2a2p -6a3p5 -24ap3 -6ap3 6a5p3
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Not Answered
Updated 117 days ago|8/26/2014 6:27:11 PM
1 Answer/Comment
(12a^3p^4) ÷ (-2a^2p) = -6ap^3
Added 117 days ago|8/26/2014 6:27:11 PM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by andrewpallarca [8/26/2014 6:44:12 PM]
The earth's basins are: slowly rising because of isostasy sinking because of sedimentation growing from the addition of melted rock all of the above
Weegy: The earth's basins are sinking because of: D.all of the above User: Mountain ranges are formed by: plate collision melting of rock in the mantle evaporation of ocean waters buildup of salt and sediment Weegy: Mountain ranges are formed by buildup of salt and sediment . › ... › Science › Earth Sciences › Geology (More)
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Expert Answered
Asked 11/14/2012 6:29:28 AM
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Wegener's theory about the continents was: immediately accepted proven to be false never accepted by other scientists initially rejected
Weegy: Wegener's theory about the continents was which is the "continental drift" was INITIALLY REJECTED until the development of the theory of plate tectonics in the 1960s, that a sufficient geological explanation of that movement was found. (More)
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Expert Answered
Asked 11/14/2012 6:40:46 AM
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