What is the molar mass of mg(clo2)2?
a: 77.76 g/mole
b: 91.76 g/mole
c: 127.21 g/mole
d: 159.21 g/mole

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