What are terranes, and what information do they provide? What will be an ideal response?
Terranes are small lithospheric blocks that originated elsewhere. They differ from
surrounding rock in terms of fossils, rock type, age, structural trends and paleomagnetic
properties. Geologists think they were carried great distances until they collided with other
terranes or continents.
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A region where one tectonic plate dives below another is called a divergent plate boundary
Indicate whether the statement is true or false
Which is not true of a single silicon-oxygen tetrahedron?
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A. The atoms of the tetrahedron are strongly bonded together. B. It has a net negative charge. C. It has four silicon atoms. D. The formula is SiO4.
What the most navigable river system in the world?
A) Columbia B) Colorado C) Mississippi-Missouri D) Great Lakes E) Yukon
What agency enforces air quality standards in the U.S.?
A. Environmental Protection Agency B. Department of Natural Resources C. Department of Energy D. Council on Environmental Quality