Crop dusters like this one are used to spray chemical fertilizer, weed killers, and insecticides over large areas of crops. what is one risk in using a crop duster to apply chemicals? a) the high price of gas b) the cost of plane maintenance c) chemical drift to areas not targeted for spray d) wasting expensive chemicals by spraying from a plane

1. -define adaptation2 explain darwin's theories of descent with modification and natural selection in detail3. -explain how each of these provides evidence for evolution: a. -fossil record, including superposition and transitional fossilsb-anatomy, including homologous structuresc-biological molecules, including dna and proteins4. -explain the difference between convergent and divergent evolution.5. -define and give three examples of artificial selection6. -define and give one example of coevolution.7. -explain biodiversity and how it benefits humans.8. -explain a type of population lest affected by environmental change.