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 is a popular type of liquid insect repellent that is used primarily to ward off mosquitoes and ticks. It is most commonly sold as a spray, but sometimes also comes as a loose liquid or on a moistened wipe.Different concentrations are available in different places, and manufacturers sometimes include other ingredients and repellents, too.his particular repellent is usually seen as one of the most effective, but itâs also one of the harshest. Unless people live or work in constantly insect-infested places, it is usually something thatâs used only sparingly.