.... atmosphere. This is causing extremely negative effects on the earth's environment (Caldara 19). Chlorofluorocarbons (CFCs) are a group of chemical compounds, which are widely used as propellants for aerosol spray cans. These compounds are greatly responsible for the depletion of the ozone layer in the stratosphere (Gutnik 54). CFCs are most commonly used as the propellant in spray cans, the coolant in refrigerators and air conditioners, in foam and plastic insulation, and in industrial solvents (Caldara 20). Industry began using CFCs in the World War II era. In 1973, atmospheric chemists F. Sherwood Rowland and Mario Molina of the University of California at Irvine pos ....

.... Alcohol has been used since or before two thousand years before christ. Alcohol was used for a social beverage in earlier times because the Arabics and other earlier settlers had no idea at that time what alcohol did to them . Alcohol has also been used as a tranquilizer , sedative , stimulant , and as an intoxicant. (History of Alcohol , page 1) Alcohol has played a significant role in religious backgrounds and ceremonies in the past. In Greece there was a god of wine which was named Bacchus. The Romans drank vast amounts of wine and other alcoholic beverages. Wine and beer both have a very long background and or history. Alcohol was used to supposedly relieve stress a ....

.... to be real (Blackmore 362). The actual term lucid dreaming was first used by the Dutch psychiatrist Fredrick van Olen in 1913. It simply means "clear dreaming" (Blackmore 363). Surveys and research have shown that 50 percent of all Americans have had at least one lucid dream in their life that they could recall (Lucid Dreaming 365). When a dreamer becomes lucid there are physical changes on the outside of the body and brain patterns also change. There are usually pauses in breathing and changes in heart rate. The amount of brain activity is more heightened than that of a regular dream, but less than when waking. It has also been observed that a person having a luci ....

.... affected, the cause of the disease, how the disease is diagnosed, and cured. Symptoms of Sickle Cell Anemia are pale skin, short of breath, easily tired, and whites of eyes turn yellow. Ethnic or special groups affected with Sickle Cell Anemia are mostly blacks, and Hispanics of Caribbean ancestry. The disease also affects some people of Arabian, Greek, Maltese, Sicilian, Sardinian, Turkish, and Southern Asian ancestry. How transmitted type of gene or chromosomes that causes the disease. Sickle Cell Anemia is a sex linked gene. One way somebody could get this disease is if both parents are a carrier for Sickle Cell Anemia. There is one in four chance that a baby wi ....

.... It's there to prevent all of you teens to get hooked on cigarettes or even think about starting to smoke. Smoking is legal almost everywhere in the world, but it shouldn't be because Marijuana smoking isn't. Cigarettes are addictive and they usually lead the smoker to marijuana use or to other kind of drugs. That's why I think that young teenagers shouldn't start smoking at young age. All of you people out there who think that they can stop whenever they want, well I have news flash for you. 1 out of 10 smokers succeed in quitting smoking in United-States. Everyone thinks that they have an iron will and they keep on delaying the time to stop, I'll just stop as my new year ....

.... Strain is the only one which does not affect humans. The Ebola virus was named after the Ebola river in Zaire, Africa after its first outbreak in 1976. STRUCTURE When magnified by an electron microscope, the ebola virus resembles long filaments and are threadlike in shape. It usually is found in the form of a "U- shape". There are many 7nm spikes which are 10nm apart from each other visible on the surface of the virus. The average length and diameter of the virus is 920nm and 80nm. The virons are highly variable in length (polymorphic), some attaining lengths as long as 14000nm. The Ebola virus consists of a helical nucleocapsid, which is a protein coat and the nucl ....

.... years. People with the HIV virus usually look and feel healthy and may not even know that they are infected. Even though they don't look or feel sick, they can still infect others. When the symptoms do start to happen they can be like the ones of many common sicknesses such as swollen glands, coughing, fever, and diarrhea. It is usually characterized by severe weight loss and fatigue. The AIDS disease makes the less serious conditions harder for your body to control or get rid of because of the loss of many of the white blood cells in your body. The most common causes of death for the people with AIDS are pneumonia and Kaposi's sarcoma. Kaposi's sarcoma which shows up a ....

.... my daughter is not here today. Having a baby at that time in her life was just really bad timing. At 15 she was just starting her life. Personal space to herself, study, travel, and experiencing the world was what she wanted to do. Which is what every teenager in the world would like to do, but with a baby by her side. It was just not possible. All her hopes and dreams had been shattered into a million pieces because of one mistake. If only there was a way to go back in time and change the past so that our present will be normal. As normal as a 15 year old girl should be. With problems relating to boys and meeting assignment deadlines, rather than the hard stuff. Th ....