Which of the following statements is false?
A. Earthquakes occur along faults
B. The largest North American earthquake in recorded history occurred in Missouri
C. Tsunamis are generally caused by volcanic eruptions
D. Human activities can trigger earthquakes
Answer: C
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Olivine weathers rapidly because its isolated silicon-oxygen tetrahedra are held together by ________ ionic bonds to iron and magnesium.
A. weak B. acid resistant C. short D. long E. strong
Explosive eruptions take place in a few hours and then are over until gases can build up again, usually
not for several decades. Indicate whether the statement is true or false.
In which of the following terrestrial ecosystems would one tend to find the highest net primary productivity?
A) Temperate grassland B) Tundra and alpine region C) Tropical seasonal forest D) Boreal forest
Sediment that is supplied to braided streams that are melting from continental glaciers forms an
outwash plain. Indicate whether the statement is true or false.