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).
DEET as a Mosquito Repellent. The chemical N,N-Diethyl-meta-toluamide, abbreviated as DEET, is the most commonly used ingredient in mosquito repellents. It is directly applied to the skin or clothing and provides protection against many types of biting insects.