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

Verified
Correct Answer:
Verified
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