The ________ was largely responsible for preventing a food crisis in developing countries during the 1970s and 1980s
A) green revolution
B) US government
C) United Nations
D) Ford Foundation
E) IMF
Answer: A
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Is an ionic compound an example of a chemical compound, or is a chemical compound an example of an ionic compound?
A) A chemical compound is an example of an ionic compound. B) Neither is an example of the other. C) Each is an example of the other. D) An ionic compound is an example of a chemical compound.
The subtropical jet stream is usually found between?
a. ?0° to 10° latitude. b. ?10° to 20° latitude, 100-mb level. c. ?20° to 30° latitude, 200-mb level. d. ?30° to 40° latitude, 500-mb level. e. ?40° to 50° latitude, 1000-mb level.
Choose the answer that best explains why a rock might not go through the complete rock cycle.
A. Rock may be involved in a variety of processes in different sequences. B. The exposed rock may never weather thus never enter the rock cycle again. C. Some rocks are forever trapped in the magma of the Earth.
Over the past decade, the salinity of high-latitude oceans has ________ due to________
A) increased; ocean absorption of excess atmospheric carbon dioxide and associated coral die off B) declined; coastal erosion caused by changes in stream flow and increased precipitation C) increased; higher evaporation rates associated with climate change D) declined; freshwater inputs from melting ice E) increased; changes in thermohaline circulation associated with the Pacific Decadal Oscillation