Surface waves are generated by unexpended body wave energy bouncing off Earth’s surface. Indicate whether the statement is true or false
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What type of volcano is Mount St. Helens and what caused the explosion?
A. It is a stratovolcano that exploded when trapped gasses were quickly released. B. It is a shield volcano that exploded when trapped gasses were slowly released. C. It is a stratovolcano that exploded when trapped gasses were slowly released. D. It is a shield volcano that exploded when trapped gasses were quickly released.
How far north you live from the equator is measured as your ________, whereas an imaginary line marking all those places at that same distance north of the equator is called a ________
A) parallel; latitude B) meridian; longitude C) location; place D) latitude; parallel E) longitude; meridian
A probable interpretation of migmatites is that they represent:
a. sequences of basalts metamorphosed at mid-oceanic ridges b. zones of low-level metamorphism of sedimentary rocks over large areas c. zones of high-level metamorphism of sedimentary rocks produced by plate collisions d. transitional zones containing mixed igneous and metamorphic rocks located between granitic batholiths and regionally metamorphosed rocks
High mountains consisting of tightly folded and overthrust sedimentary rock layers, as well as metamorphic rocks, are formed
A) along midocean ridges during seafloor spreading activity and are subsequently uplifted above sea level in response to isostatic processes. B) during plate collisions. C) during volcanic eruptions. D) in continental rift zones. E) exclusively by magma intrusions.