Scientist use models of the solar system to 1 avoid the use of incorrect data

2 prevent duplication of their ideals

3 help explain their ideas

4 make theories non-testable

the major pests we deal with are insects, weeds and fungal diseases. a pesticide is a product, whether organic or chemical, used to kill the target pest. there are other techniques gardeners should use that can prevent the severe infestations that make the use of pesticides necessary

2b2t

explanation:

2b2t