element A B C D have atomic numbers 1, 8, 11 & 19 respectively choose the odd number and give reason for your Answer

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

l dont know l am s sorry