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…The Photoelectric Effect The purpose of this experiment is to determine h/e (Plank's constant in units of electron volts), the work function F, and the threshold frequency for the photochathode surface provided . Three filters each having…

…to access the internet to relying on one daily for business, communication, and other activities has had major effects on the way things are done around the world. Communication is a major part of life that has been affected by the use of the internet…

…becoming increasingly aware of the adverse effects of tobacco on their local economies. The state of Texas, for example. reports (Texas Medicine, November 1993 p56-60) that it lost $4.2 billion in direct and indirect losses in 1990. This realization has led…

…The Greenhouse Effect The greenhouse effect occurs when gases such as methane, carbon dioxide, nitrogen oxide and CFCs trap heat in the atmosphere by acting as a pane of glass in a car. The glass lets the sunlight in to make heat, but when the heat…

…normal, the adrenal glands release adrenaline as an emergency action, raising glucose levels a small amount. Adrenaline can also cause unwanted side effects, such as a rapid pulse, sweating, and nervousness. One of the main systems of the body…

…Gambling Effects The legalization of public gambling improves the economy of hosting states. Gambling is viewed differently from person to person. It all depends if one has any experience in the area or not. If one does have experience, than what…

…Effects of Deforestation Earth without forests is a picture that most of humankind presently could not conceive. Forests cover much of the planet's land area. They are extremely important to humans and the natural world. For humans, they have many…

…“The Effects of Pornography” More and more Internet sites are portraying pornography. Playboy.com gets about 5 million “hits”, or visitors daily. More than 266 new pornography sites are created every day. With the help of technology pornography has…

…The paper "Environmental Effects of Metropolitan Growth on Water Resources" discusses the effects that development has on water resources. It includes several problems that either do affect Colorado Springs or will in the future. According…

…obscure and ridiculous it may be. Many of these superstitions can dramatically affect a person’s life. Looking at the following examples will show what effects can come from trying to stay on the good side of the supernatural. Friday the 13th is thought…