Make sure you know the information which you were given. Brain stem: The brainstem is located at the juncture of the cerebrum and the spinal column. It consists of the. midbrain, medulla oblongata, and the pons. Limbic cortex, Components of limbic system - â see lecture materials. (LK) Cogs 107A Study materials for exam 1 10/4/2006.
Photo by: bluehand. DDT is a synthetic chemical compound once used widely in the United States and throughout the world as a pesticide (a chemical substance used to kill weeds, insects, rodents, or other pests).
Pesticides are chemicals used to kill insects, rodents, and weeds that might harm our crops and our health. But pesticides also poison and kill other living things, including helpful plants, animals, and people. Pesticides can drift for miles from where they are applied and pollute the soil, the water, and the air.