Sketch and explain the model for an atom, including electron shells and how the number of electrons in shells influence the loaning and transfer of electrons between atoms.

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

gas and precipitate r the correct answers