In the following question, one part of the sentence may have an error. Find out which part of the sentence has an error. If the sentence is free from error, click the "No error" option.

Q:

Acquired immunity is the result of an (1)/interaction with our new environment and (2)/ proper digestion of all that we take off. (3)/ No error (4)

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  1
• 2
  2
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  3
• 4
  4