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What was the initial use of nicotine in agricultural practices prior to World War II?

Options

  1. AFertilizer additive
  2. BPest controlling substance
  3. CSoil conditioner
  4. DGrowth stimulant

Correct answer

B. Pest controlling substance

Step-by-step solution

Nicotine was used as a pest controlling substance for major crops in agricultural practices by planting tobacco plants in crop fields before World War II.

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