Which of the following best describes a seismic gap?
A) Unusually quiet zones along typically active faults
B) A downdropped valley bound by normal faults
C) Faults that have not been active for several million years
D) An erosional valley that has developed in an inactive fault
Answer: A
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A. benzene B. methane C. ozone D. sulfuric acid
Then notation [A]4 is equivalent to which of the following?
A) [A] + [A] + [A] + [A] B) 1/([A] + [A] + [A] + [A]) C) [A] x [A] x [A] x [A] D) 1/([A] x [A] x [A] x [A])
The shape of a country's population pyramid
A) may be used to predict maternal mortality rates. B) cannot be used to determine infant mortality rates. C) may be used to estimate the country's dependency rate. D) cannot be used to estimate the country's sex ratio. E) is determined primarily by the combination of its crude birth rate and its crude growth rate.
One of the effects of glaciation is the formation of:
a. erosional terraces during glacial advance b. erosional terraces after glacial retreat c. depositional terraces during glacial advance d. depositional terraces after glacial retreat