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Which statement regarding pesticide deposits is not true?

  1. Pesticide deposits are visible immediately

  2. Deposits may remain on treated surfaces

  3. Most deposits remain for a long time

  4. None of the above are true

The correct answer is: Pesticide deposits are visible immediately

The statement that pesticide deposits are visible immediately is not true. While some pesticide applications may produce visible residues right after treatment, many pesticides are designed to work by penetrating surfaces or becoming less visible over time as they dry or are absorbed. Additionally, the visibility of a deposit can vary based on the formulation of the pesticide, the application method, and the surfaces treated. On the other hand, pesticide deposits can indeed remain on treated surfaces for extended periods. Certain formulations can be designed to adhere longer, providing ongoing action against pests. The persistence of these deposits can depend on various factors, including environmental conditions, degradation processes, and the specific chemistry of the pesticide used. Thus, statements regarding deposits remaining on surfaces and their longevity can accurately reflect the characteristics of many pesticide products.