Part one of term paper
is somewhat of an umbrella topic. A pesticide is classified according to what its job is to control. There are four main types, or classes, of . They are herbicides, fungicides, rodenticides, and insecticides. Herbicides are used to prevent the growth of, or to kill existing, unwanted plants. Such plants are, crab grass, dandelions, and ...

Part two of term paper
... rats and mice. These rodents can carry bacteria that cause diseases like rabies and typhus, and can also contaminate food supplies. Insecticides are used by farmers who want to exterminate some of the many harmful insects that can carry disease. Insecticides are very widely used, not only on farms, but in residential areas in the form of products like Raid, and ant traps. are dangerous to our environment, but in most cases they help more than they hurt. For example, it is estimated that the foo ...