Author Question: When a tree or other plant is not affected by the presence of a harmful insect, it is described as ... (Read 87 times)

moongchi

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When a tree or other plant is not affected by the presence of a harmful insect, it is described as being:
 
 

a. immune c. engineered
  b. modified d. invulnerable



Question 2

The insecticide DDT has been used to control mosquitoes that carry which disease?
 
 

a. malaria
  b. brucellosis
  c. rabies
  d. encephalitis




amynguyen1221

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Answer to Question 1

A

Answer to Question 2

A



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