Multiple Choice
Most commercial pesticides are effective for only 2 or 3 years because
A) the pests learn to hide when the chemicals are being applied.
B) new pests invade the area.
C) those pests born with mutations that provide immunity will survive and reproduce.
D) the chemicals mutate and become ineffective.
E) the chemicals induce mutations that provide immunity.
Correct Answer:

Verified
Correct Answer:
Verified
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