Since 1945, approximately ____ species of insects have developed resistance to one or more insecticides.
A) 50
B) 500
C) 1,000
D) 2,000
E) 5,000
Correct Answer:
Verified
Q22: Biological control of pests
A) costs more money
Q24: Which of the following statements is a
Q25: Which of the following can lead to
Q26: Most soil erosion is caused by
A)wind and
Q28: Integrated pest management _ than pesticides.
A)requires more
Q29: The amount of irrigated land used to
Q31: Broad-spectrum pesticides may increase the number of
Q33: Which of the following is a serious
Q34: How many units of energy are required
Q35: Switching to integrated pest management
A)will be easy
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