Technology can have good and bad affects. what is a bad effect spraying pesticides on crops with the use of airplanes?

1. The potential of harming animals that may be in the area.

2. Pesticides can drift, causing imbalances of nutrients in streams.

3. It kills the bad bugs, but the good ones as well.

4. If anyone is in that field when the crop duster lets his spray go, then one would be covered in it.