… my drug project on smoking. In some countries, smoking causes one-third of all cancer deaths. It causes diseases of the heart, lung, digestive tract, kidney, bladder. There are many other health risks. There are over 4,000 chemicals in cigarette…

… product, they inhale the smoke, which contains nicotine as well as over 500 other chemicals. A cigarette contains cover paper, tobacco, nicotine, filter, and tar. The tobacco is where the tar comes from in a cigarette. The other substances…

… the dominant order of living reptiles composed of the lizards and snakes.The group first appeared in Jurassic times and today is found in all but the coldest regions.Various forms are adapted for burrowing,or aquatic lives,but most squamata…

… is predicted to change because human activities are altering the chemical composition of the atmosphere through the building up of greenhouse gases or global warming. These gasses are caused primarily from carbon dioxide, methane, and nitrous oxide…

… is part of the larger society in which it exists and must therefore act in a way that not only advances the firm, but also serves the society. More than ever firms are being challenged to integrate social responsibilities in to their operations. Many…

… be established. It is at birth when an infant (person) is given either a male or female identity. Once the parents have been told, it is then that society will set the example and attitudes for that given gender. "Gender includes a broad spectrum…

… compounds hold water in body tissues, and a severe lack of sodium can cause death. Blood contains sodium compounds in solution. In its pure form sodium is a silver-white, metallic element. One of the most common sodium compounds is table salt, or…

… Hardware 2. Software Hardware is the name given to physical machines whereas software is the set of logical instructions that direct the hardware to achieve a particular task. Both the components are dependent on each other. One is useless in the…

… of most of the earth’s land area. This soil is made up of minerals and organic particles produced by organic decay. The main components of soil are undissolved inorganic compounds, soluble nutrients, organic matter, water, and gases. The physical…

… is a semiconductor material into which a large-area diode, or p-n junction, has been formed. The fabrication processes tend to be traditional semiconductor approaches diffusion, ion implantation and so on. Electrical current is taken from the…