James developed a plan to find the percent composition of the compound KClO3. His first step was to find the mass of the individual elements. He found the individual element molar masses by using A) a balance B) a calculator C) a periodic table D) a graduated cylinder

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