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Obsidian volcanic lava cools quickly

Obsidian volcanic lava cools quickly .Granite magma cool slowly underground . Quartzite quartz sand put under intense heat and
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2. asked by Dino cat
3. 46 views
How do intrusive rocks form?Lava cools slowly outside a volcano. Magma cools slowly inside the Earth. Molten material is cooled
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2. 14 views
Which statement best describes the formation of metamorphic rocks?Magma cools and crystallizes slowly beneath Earth’s surface.
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The above picture shows a type of igneous rock called obsidian. Why is the top rock so shiny and smoother than the others?A. It
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2. 6 views
Which is an example of a compare-and-contrast text structure?Pumice stone is formed when volcanic lava cools and hardens.
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2. asked by ma ni ja
3. 15 views
Which is an example of a compare-and-contrast text structure?Pumice stone is formed when volcanic lava cools and hardens.
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2. 22 views
the specific heat capacity of lava is 1600 j kg -1 oC -1. when all the erupted lava cools from the eruption temperture of 1050
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2. asked by smartypants
3. 623 views
Review the following list and select either an "H" if the item is a hazard, a "B" if it's a benefit, or "HB" if it can be both a
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2. 12 views
5which of the following is a use for fossils founds in sedimentary rocks?A.interpreting past environments b.indication when the
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2. asked by amanda
3. 1,155 views
The specific heat capacity of the lava is 1600 J kg^-1. when all the erupted lava cools from the eruption temperature of 1050
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2. asked by missy
3. 587 views