Respuesta :

Pesticides are best described as a substance used for destroying or killing insects and pests harmful to plants and animals.

Answer:

Pesticides are best described as toxic chemicals used to control pest populations.

Explanation:

Pest is a destructive insect or other animal that attacks crops. Pesticides are used by humans to allow crops to develop and be available to harvest, otherwise, a lot of plants would be destroyed and agriculture would be less efficient.