… and oxygen, but containing much smaller amounts of water vapor, argon, and carbon dioxide, and very small amounts of other gases. Air also contains suspended dust, spores, and bacteria. Because of the action of wind, the percent composition of…

… clean your windows or even gel your hair, you create air pollution you make choices that can reduce pollution. You are not expected to not make any air pollution, (even though that would be good). You are only expected to reduce it by not making…

… new. Ever since the discovery of fire, less-than-desirable substances have been vented into the air. One of the first air-pollution regulations dates back to the fourteenth century, when King Edward I banned the burning of sea coal in lime kilns.…

… of alcoholic beverages, whether it's a can of beer or other sources such as vodka, and whiskey etc. It often affects a lot of people and their families. I will discuss the symptoms of alcoholism. I will continue into the effects of alcoholism.…

… 9.3 to 10 million Americans, and many professionals believe the figures are closer to 20 million (Weddle and Wishon). Alcoholism is a "physiological or physiological dependence on alcohol characterized by the alcoholic’s inability to control…

… most controversial mysteries known to mankind. From ancient to present times, unidentified objects have been seen in the sky by millions of people. The question is, of course, what is it that we are seeing in our skies? Are they foreign spacecrafts…

… Face of Science Science is a creature that continues to evolve at a much higher rate than the beings that gave it birth. The transformation time from tree-shrew, to ape, to human far exceeds the time from analytical engine, to calculator…

… Changes in altitude have a profound effect on the human body. The body attempts to maintain a state of homeostasis or balance to ensure the optimal operating environment for its complex chemical systems. Any change from this homeostasis is…

… and medical breakthroughs many of these diseases are treatable and somtimes curable, but in the case of alzheimer's disease there is no way to prevent this disease and there is no recovery. Many questions are asked about this disease such…

… Should humans be able to have a choice if they would like an experimentally procedure? I feel that yes- humans can use animals' organs transported into them for medical research! We have come along ways on our research of organs transplants…