Which of the following is NOT an air mass that influences North America?
A) cA B) mT C) mP D) mA E) cP
D
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Which one of the following statements concerning foci and epicenters is correct?
a.) The epicenter is at the surface directly above the focus where the earthquake initiates. b.) The focus is the faulted point on the surface directly above the epicenter. c.) The earthquake starts at the focus and the rupture extends down to the epicenter. d.) The fault first cracks at the epicenter and breaks through to the surface at the focus.
What function does the upper atmosphere ozone layer serve?
a) It protects against the sun’s harmful ultraviolet radiation. b) Its gases trap heat in the earth’s atmosphere leading to the greenhouse effect. c) This atmospheric layer provides a rich source of CFC used as a refrigerant to fuel air conditioning units. d) The ozone layer is the source of oxygen needed to breathe.
The long-term average from daily measurements of precipitation and temperature is
A) weather. B) climate. C) climograph. D) insolation. E) global warming.
The downslope movement of water-saturated surface sediment is called ____________________. Fill in the blank(s) with the appropriate word(s)