Managing crop competitors and pests has been challenging to agronomists for centuries. One approach, integrated pest management, ________
A) uses only synthetic chemical pesticides
B) uses only natural pesticides
C) uses no pesticides of any kind
D) combines a variety of pesticides to combat the pest
E) combines synthetic chemical pesticides with biocontrol techniques
E
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Use your knowledge of plate boundaries to answer whether an earthquake is likely or unlikely to occur at the location of the red circle.
A) Likely
B) Unlikely
Independent, non-partisan commissions typically try to create ________ without regard for voting preferences or incumbents
A) gerrymandering districts B) fifty-fifty electorate zones C) compact, homogeneous districts D) ethnically marginalizing districts E) politically active districts
Wind profilers are vertically-pointing Doppler radars that provide
A) temperature. B) moisture. C) winds. D) cloud heights.
In recent decades, what agricultural sector has expanded the most in the developing world?
A) domestic foodstuffs sector B) export sector C) jute D) manioc E) import sector