Author Question: Which of the following types of compounds are narrow-spectrum insecticides? A) carbamates B) ... (Read 202 times)

anjilletteb

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Which of the following types of compounds are narrow-spectrum insecticides?
 
  A) carbamates
  B) chlorinated hydrocarbons
  C) organic phosphorus compounds
  D) None of the above is a narrow-spectrum insecticide.

Question 2

About ________ of the world's fresh water supply is used in agriculture.
 
  A) 10
  B) 45
  C) 85
  D) 70



b614102004

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Answer to Question 1

A

Answer to Question 2

D



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b614102004

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