In theory, what are free-market economies based upon?
A) The supply of products
B) The consumption of products
C) Pure competition
D) Government policies
C
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About ____% of worldwide stocks of tuna, cod, and other large ocean fishes have disappeared in the last 50 years
A) 10 B) 30 C) 60 D) 90
Many European countries use English as a common language of business and commerce. English is an example of a:
A) nationalistic language B) T&O language C) Cyrillic script language D) lingua franca
Which type of estuary is characterized by the least variation in salinity with depth at any given point along its axis?
A. a well-mixed estuary B. a salt wedge estuary C. a partially mixed estuary D. a fjord E. None of these is correct; it is impossible to tell from the information given.
Surface winds blow across isobars at an angle and the pressure gradient force is balanced by the ____ force and the Coriolis force.?
a. ?surface b. ?pressure gradient c. ?frictional d. ?centripetal e. ?gravitational