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Ksenya-84 [330]
3 years ago
14

Mount Rushmore national memory in South Dakota was carved out of grantie that formed from cooled magma what type of rock matches

this description ​
Chemistry
1 answer:
gulaghasi [49]3 years ago
7 0

Answer:

igneous rocks

Explanation:

igneous rocks forms from lava, such as obsidian, basalt, plumice, etc

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Discuss the difference in the densities of the two types of Earth's crust. Why are they different?
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What is the molar mass of Ca(CIO4)2? (3 points)<br> 239.0 g/mol
wariber [46]
239.0 g/mol

Add the mass of each individual atom
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The photoelectric effect occurs when _____ are emitted from metal when the metal is struck by light of certain frequencies.
Ainat [17]

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Some of the applications of this effect include photomultipliers (which are a key component in spectroscopy instruments) and night vision devices.

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3 years ago
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A wave is known to have a frequency of 20 Hz, wavelength of 0.5 m, and amplitude of 1.2 m. If the amplitude of the wave is doubl
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The wave will have a frequency that is larger
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