The spraying of pesticides can be carefully planned, but accidents, weather conditions that could not be foreseen, and pilot errors often cause much larger deposits of spray than they had anticipated.

• Aweather conditions that could not be foreseen, and pilot errors often cause much larger deposits of spray than they had  
• Bweather conditions that cannot be foreseen, and pilot errors often cause much larger deposits of spray than  
• Cunforeseeable weather conditions, and pilot errors are the cause of much larger deposits of spray than they had  
• Dweather conditions that are not foreseeable, and pilot errors often cause much larger deposits of spray than  
• Eunforeseeable weather conditions, and pilot errors often cause much larger deposits of spray than they had