Aphid in America was controlled by releasing

Options :
  1. sterile females
  2. sterile males
  3. both 1 and 2
  4. none of these
Answer and Explanation :-

Answer: Option 2

Explanation:

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Umani e divini erano forse diversi nell'essenza, ma uguali nel cuore, e la speranza aveva realmente il potere di riscrivere i destini di tutti. Ora anche gli Dei lo sapevano.
-Diletta Brizzi Take me into your Hell