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Scientists use waves to study the different layers of the earth. Usually, they use seismic waves, which are waves generated by earthquakes or nuclear-test explosions. So, scientists study the path and speed of these waves through the earth to decipher boundaries and the materials that make up the layers.
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Answer:
(Planet Neptune)15, 299 mi. Ask for any other conversions. Hope this helps.
Explanation:
Answer: [D]: lithostratigraphic .
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"<span>A <u> lithostratigraphic </u><u></u> unit is a body of sedimentary, extrusive igneous, metasedimentary, or metavolcanic strata which is distinguished on the basis of lithologic (physical) characteristics and stratigraphic position."
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The "Canadian regionalism" relates broadly to the spirit of regional variations in Canada. In Canada, regionalism is an inescapable part of society, economy, and politics. It also leads to stresses between institutional and emotional attachments, national and local economy.
