Unformatted text preview: Impact a. (1945-89) affected insects twice as much 3. Protecting food a. Sulfur was used as an insecticide before 500 BC b. Lead, arsenic, and mercury were applied to crops in 1200s c. Nicotine d. Pyrethrum and rotenone were extracted from plants...
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This note was uploaded on 01/16/2012 for the course ENY 1001 taught by Professor Barfield during the Fall '11 term at University of Florida.
- Fall '11