DDT and The Environment: The Effects on the Ecosystem As earth's population grows so does the demand for food, and the use of pesticides has become essential in meeting this demand. The first important synthetic organic pesticide was a chlorinated hydrocarbon, dichlorodiphenyltrichloroethane or ...

DDT and the Environment 2 DDT and The Environment: The Effects on the Ecosystem As earth's population grows so does the demand for food, and the use of pesticides has become essential in meeting this demand. The first important synthetic organic pesticide was a chlorinated hydrocarbon, di...

Depressants are drugs or chemicals that slow down, or depress the activity of the central nervous system. They are separated into three common categories: barbiturates, sedatives, and tranquilizers. Another substance that is commonly used is alcohol, which also considers to be a depressant. Depre...