.... which measures differences in pressure, and the barometer, which measures the total pressure of the atmosphere. A manometer is simply a bent piece of tubing, preferably glass with one end closed. When the liquid level in both arms is the same, the pressure of the sample of gas inside the closed end must equal the pressure of the external atmosphere since the downward force on the two columns of liquid is then equal. When the liquid levels are unequal, the pressures must differ. The difference in pressure can be measured in units of length of the vertical column of liquid. The mm Hg, or its modern version the torr, originated in this use of th .....

.... planet Venus. Venus's atmosphere had a thick layer of CO2, giving the planet's surface a temperature warm enough to melt lead. So What Does All This "Greenhouse" Stuff Have To Do With Me? As the temperatures rise, the waters get warmer and begin the melting process of the polar ice caps (Popular Science). Long term predictions of Global warming say that the melting of the polar ice caps will continue causing ocean waters to rise, resulting in massive coastal flooding of major cities such as Los Angeles and Miami. If the next century's warming stays at a low end of estimates, the consequences are likely to be mild. But if warming reaches the mi .....

.... involves the animals life and its right to co- exist with humans. That is the same right that we have to be free and choose our actions. In our past history and even still to this very day risky experiments are done on animals. The thousands of animals put to suffer outweighs any of the research that has been gotten from them. Peter Singer the author of a piece called “Animal Experimentation� in the book Intervention and Reflection displays and evokes the actual suffering of many harmless animals. "In 1953 R. Soloman, L. Kamin, and L. Wynne, experimenters at Harvard University, placed forty dogs in a device called a 'shuttl .....

.... which serves as a control center for the cell. Inside the Nucleus there are one or more Nucleoli. They are dense, granular bodies that disappear at the beginning of cell division and reappear at the end. Then you have the Cytoplasm. This is the watery material lying within the cell between the cell membrane and the nucleus. The Cytoplasm also contains organelles, which have specific functions in the cell metabolism. Then there are the Golgi Bodies, which serve as processing, packaging, and storage for the cell. These organelles package and ship things out. Another parts of the cell, a very important one in fact, are the Lysosomes. These organelles a .....

.... and through below grade walls and floors. This is the primary source of elevated radon levels in buildings.(5) Outdoor air contains radon, but it is in extremely low concentrations therefore it is not a health hazard. Some wells contain water that has radon dissolved in it. This can be a hazard if the water is agitated or heated, allowing the gas to escape and elevate the levels that are in the building.(6) Health Risk The Surgeon General's office reports that indoor radon gas is a national health problem. This gas causes thousands of deaths every year.(7) These deaths are a result of lung cancer, which is caused by the radioactive par .....

.... and positive nuclei. This gas constitutes a plasma. Plasma, in physics, is an electrically conducting medium in which there are roughly equal numbers of positively and negatively charged particles, produced when the atoms in a gas become ionized. It is sometimes referred to as the fourth state of matter, distinct from the solid, liquid, and gaseous states. When energy is continuously applied to a solid, it first melts, then it vaporizes, and finally electrons are removed from some of the neutral gas atoms and molecules to yield a mixture of positively charged ions and negatively charged electrons, while overall neutral charge density is maintaine .....

.... bleeding during menstrual period, painful intercourse, and lower abdominal pain. When treated early, there are no long-term consequences of . Serious complications can result, however, when left untreated. Long term complications in men may include Epididymitis. Long term complications in women include Pelvic Inflammatory Disease, ectopic pregnancy, perihepatitis, sterility can be transmitted to newborns. Approximately 2% of persons with untreated may develop Disseminated Gonococcal Infection (DGI). This develops into a fever, skin lesions and arthritis type pain. is treated with antibiotic drugs taken orally or by an injection. All partners m .....

.... are potentially 40 times more powerful than the original bombs used. However, a military change in strategy has came to promote nuclear disarmament and prevent the usage of nuclear weapons. The technology of building the atomic bomb has spurred some useful innovations that can be applied through the use of nuclear power. The fear of a potential nuclear attack had been heightened by the media and its release of movies impacting on public opinion and fear of nuclear devastation. The lives lost after the detonation of the atomic bombs have become warning signs that changed global thinking and caused preventative actions. The Atomic Bomb The devasta .....

.... saved and also played on your personal computer. I personally like MP3 the best because I find them to sound better. To play these files you need a MP3 player. There are a couple different types of players out on the internet. The most common player for MP3s is a program called Winamp. Winamp can be found at Winamp.com. I personally like this player because it has a digital equalizer, which gives you more control over the sound of the music. This player reads the songs directly off the hard drive so there is no need for a disk, CD, or tape of any kind. This player also has a feature of a playlist where songs can be added or deleted. Which gi .....

.... ever produced (Ray 71). It is proven to have been the most effective chemical ever to prevent the spread of malaria all over the world. It nearly wiped out the disease in some countries altogether. It has been repeatedly proven that DDT does not cause any form of cancer in humans. Contrary to what environmentalist attacks on the pesticide have alleged, the benefits of DDT far exceed the flaws. DDT was first synthesized in 1887 and patented as an insecticide in 1939 by a Swiss chemist, Dr. Paul Müller (Whelan 69). It initially became popular because of its effectiveness against insects, specifically clothes moths and parasites of both animals an .....