Question 24 (1 point) Select the material or materials that are pure substances.
Solution
Colloid
Compound
Element

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

thats a little if u want the answer just look it up on google thats what i do haha : )