A positive magnetic anomaly could indicate
A. the presence of a granitic basement high
B. a body of magnetic ore
C. an intrusion of gabbro
D. the magnetic field strength is higher than the regional average
E. All of these choices are correct.
Answer: E
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The chief source of Los Angeles air pollution is
A) automobile exhaust. B) coal-burning electricity plants. C) industrial pollutants. D) fog from the ocean.
Each year, at least 250,000 children under 6 years of age go blind from a lack of ____.
A. iron B. calcium C. vitamin A D. vitamin B E. vitamin C
In the Soviet period, Russia graduated many engineers from college. Today, one of the most popular aspirations of college students is:
A) engineer B) mathematician C) manager D) farmer
A delta with long fingerlike sand bodies, each deposited in a distributary channel that progrades far
seaward, such as the Mississippi River, is typically formed as in a(n) ____-dominated delta. a. avian b. stream c. wave d. tide e. sediment