Grammar Practice

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Food looks set to become a defining issue of the next century, the report says. Nearly 1,000 agricultural pests, including insects, plant diseases, and weeds, are immune to chemical control, and resistance is threatening to increase crop losses and weaken the global food supply. The spread of crops genetically engineered to produce natural insecticides may encourage resistance in other plants.



Автор: Current Events.
Издано: в 2003 году
Категория: Учебник
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