An economic importance of the organism represented by IV is that

An economic importance of the organism represented by IV is that
  • A.
    it transmit water borne disease to humans
  • B.
    it is distructive to farm crops
  • C.
    its faeces pollutes drinkng water
  • D.
    it helps in the control of mosquito larvae
Correct Answer: Option B
Explanation
You May Also Like