AP Environmental Science Quiz
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LAND AND WATER USE
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A region's pesticide use rises after HYV adoption, yet pest damage later rebounds. Which explanation is most consistent?
A
Pests evolved resistance and natural predators were reduced, causing resurgence; reliance on chemicals can destabilize biological control.
B
Pesticides increase pest fertility by adding nutrients, so damage rebounds because pests become healthier from chemical exposure.
C
HYVs stop producing grain after several seasons, so pest damage appears higher only because plants are no longer crops.
D
Rebound damage proves pesticides never affect insects; all observed changes are caused solely by lunar cycles and tides.
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