Chemistry

Chemistry, 23.06.2019 09:30, jasjas12

Large crystals are formed when igneous rocks cool very slowly igneous rocks cool very quickly sedimentary rock is eroded metamorphic rocks change into igneous rock

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Geography, 22.06.2019 13:00, palmekar000

Why would the crystals in an intrusive igneous rock be larger than the crystals in a chemical sedimentary rock? a. intrusive rocks form beneath the earth's surface, so they cool very slowly, which produces larger crystals. b. chemical sedimentary rocks form from dissolved substances on the earth's surface with very high heat and cool very slowly, which produces smaller crystals. c. chemical sedimentary rocks and intrusive rocks have crystals of the same size. o d. chemical sedimentary rocks form deep in the earth, so they cool slower, which produces small crystals. € read question correct:

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Biology, 28.06.2019 13:10, jayjinks976

Igneous rocks that cool more quickly have smaller mineral crystals, while igneous rocks that cool more slowly have larger mineral crystals. how would a rock that formed from lava cooling on the earth's surface compare with a rock that formed from magma cooling deep in the earth's crust? a. the rock that formed from lava would have larger crystals than the rock that formed from magma. b. crystal size would be very small and identical in both rocks. c. crystal size would be very large and identical in both rocks. d. the rock that formed from lava would have smaller crystals than the rock that formed from magma.

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Chemistry, 17.07.2019 00:10, emmasandberg182

#1-4 true or false questions! 1. intrusive igneous rocks have fine-grained crystals. t or f? 2. igneous rocks are formed by cooling and hardening magma or lava. t or f? 3. metamorphic rocks are formed when sediments harden into rocks. t or f? 4. lithification is the process of converting sediments into solid rock through compaction and cementation. t or f? 6. which type of rock forms when heat and pressure change existing rocks without melting them? a. metamorphic b. igneous c. sedimentary #7-9 true or false questions! 7. once a metamorphic rock, always a metamorphic rock. rocks cannot change from one type of a rock to another. t or f? 8. the rock cycle has a definitive beginning and end. t or f? 9. foliation occurs in sedimentary rocks. t or f?

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Biology, 01.11.2019 22:31, datzmypupppup

Igneous rocks can be formed from magma that solidifies deep beneath the earth's surface. when it cools quickly, it creates more smooth and shiny rock with fine grainssedimentary rocks are made from the weathering and erosion of pre-existing rocks. if the sediment is buried deeply, it becomes compacted and cemented. sedimentary rocks also form from organic material and often contain fossils.metamorphic rock is a result of transformation of pre-existing rock subjected to high heat and pressure. this causes the minerals in the rock to become unstable so they either reorient themselves into layers, giving them a striped look or recrystallize into larger crystals.based on the reading, how would you classify this rock? a. sedimentary rock because of its layers. b.metamorphic rock because of its stripes.c.igneous rock because of its large crystals d.sedimentary rock because of the presence of fossils

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