Which of the following is a way that slopes fail?
A. Large blocks fall from cliffs.
B. Soil and other loose material can flow rapidly down slopes, forming debris flows.
C. Pieces of loose rock accumulate on talus slopes until the angle becomes too steep.
D. Rocks, soil, sediment, and ice slides down steep hillsides.
E. All of these choices are correct.
Answer: E
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Copper atoms have a greater tendency to be reduced than iron atoms do. Was this good news or bad news for the Statue of Liberty, whose copper exterior was originally held together by steel rivets?
A. This was good news since the steel rivets prevented the copper from eroding. B. Electrons will preferentially flow from the iron to the copper and then onto oxygen. Corrosion is thus accelerated around the interface of these two metals. C. This combination of metals caused the copper to oxidize and turn green. D. This combination of metals has no effect on each other and that is why engineers chose to use them together.
List three uses for nonpotable water. What will be an ideal response?
According to the diagram below, what location on Earth most likely experienced this insolation pattern in 2006?
A. Tropic of Capricorn B. Tropic of Cancer C. Equator
A forecast that extends beyond three days is often called an outlook
a. True b. False