Manganese nodules ____
A) are a type of cosmogenous sediment
B) are almost exclusively found on continental shelves
C) "grow" very slowly, at an average rate of 1 to 10 millimeters per million years
D) are inexpensive to collect and are, therefore, widely exploited
C
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At what distance from the nearest plate boundary have the Andes formed?
A) 0-100 km B) 100-150 km C) 100-500 km D) 200-400 km
The thicker crust of mountains ____
A)sinks into thinner crust at depth B)floats on denser rock at depth C)is more dense than oceanic crust D)reduces faulting during orogeny E)is more dense than other continental crust
Suppose the global community came to an agreement to reduce CO2 emissions that had the same impact as the Montreal Protocol had for CFCs. Predict how CO2 levels would change over the next several decades.
A. CO2 levels would decrease significantly B. CO2 levels would stay about the same C. CO2 levels would increase significantly
Which of the following would have the smallest number of induced dipole-induced dipole interactions?
A. C6H14 B. C10H22 C. C8H18 D. C12H26 E. not enough information given