When wet soil moves slowly over an impermeable surface the phenomenon observed is called
A. permafrost.
B. solifluction.
C. rockfall.
D. rock slide.
Answer: B
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In which order would you expect different types of earthquake waves to arrive at a site a distance away from the epicenter?
a. ?S waves, then P waves, then surface waves b. ?S waves, then surface waves, then P waves c. ?Surface waves, then P waves, then S waves d. ?P waves, then surface waves, then S waves e. ?P waves, then S waves, then surface waves
Who set out to explore worldwide wind and current patterns for commercial and naval purposes?
A) Charles Wilkes B) Benjamin Franklin C) Tim Folger D) Matthew Maury
Who came up with the dynamic theory of tides?
A) Isaac Newton B) Pierre-Simon Laplace C) Galileo D) Pytheas
The coldest of all air masses is ____
A) cA B) mP C) cT D) cP