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Acid Rain....and What Are We G

... a lake with a pH of 4 is ten times as acidic as a lake with a pH of 5, and a lake with a pH of 3 is 100 times as acidic, After many rain falls of Acid rain, the pH of a normal lake ( 5.8 ) to 4. Acid Rain has been known to reach the acidicy of pH 2, ( battery acid has a pH if 1 ) this is a drastic change, as normal rain is average pH 5.2. Acid Rain can dissolve limestone and chalk, and corrodes outdoor structures. Statues and monuments that are left unprotected can fall victim to the unpredjudiced destruction of acid rain. Acid Rain rea ...

Number of words: 379 | Number of pages: 2

Epidural In Labor

... experience of giving birth. Barbara Katz Rothman, a sociologist who studies birth in America, writes that in the medical management of childbirth, the experience of the mother is viewed by physicians as pain: pain experienced and pain to be avoided.1 Having experienced childbirth ourselves, we have great compassion for women in painful labors. However, we also feel a responsibility to mothers and their babies to explore issues concerning the use of epidural anesthesia in labor issues that are seldom discussed prenatally. Several factors make ...

Number of words: 566 | Number of pages: 3

Faster Dissolved Oxygen Test Kit

... of liquid water on Earth make our planet unique in the solar system." (Hill, 1992 p. 477) People have recently become more concerned with preserving our earth for future generations. Even the government pitches in to help save our earth by enacting laws to help preserve our natural resources. There is local evidence that improved sewage treatment means improvement in water quality. Monitoring on a national level showed that large investments in point-source pollution control have yielded no statistically significant pattern of improve ...

Number of words: 3502 | Number of pages: 13

Acne

... and after puberty. This causes the skin to be more vulnerable to oils, which may cause . Other theories purposed had to deal with emotional stress levels, fatigue, and cosmetics. All of these are believed to aggravate (Facts 1). When faced with the problem of there are a few simple things one should do to keep the case mild. First you should treat the early. The longer a person waits the worse the problem can get. Scarring may appear if one waits too long to take car of their situation. Once a pimple in noticed, don't squeeze or s ...

Number of words: 688 | Number of pages: 3

Fetal Alcohol Syndrome And Fetal Alcohol Effects

... facial features. Fifty percent of affected individuals also have poor coordination, hypotonia, attention deficit disorders with hyperactivity, decreased adipose tissue, and other identifiable facial features. Additionally, 20% to 50% of affected children demonstrate a variety of other birth defects, including cardiac anomalies, hemangiomas, and eye and ear anomalies. [2,4,15,16] Even in the absence of growth retardation or congenital abnormalities, children born to women who drank alcohol excessively during pregnancy appear to be at ...

Number of words: 1444 | Number of pages: 6

Galileo And The Telescope

... of many other irregular shapes. This was a very big contradiction to Aristotle’s theory. To Aristotleans the world was the center of the universe and that it was perfect. This showed us the holes in the celestial realm. It is not perfect like people believed it to be. If the moon had all of these imperfections, then any other member of the universe could also be this way. It also showed the Earth to be just a planet. Not the unique figure thought to be. It is not unique. In fact, it was regular because the moon also had the same ...

Number of words: 395 | Number of pages: 2

Historical Development Of Atomic Structure

... discovered many masses of various elements and, in relation, discovered the different proportions which molecules are formed in (i.e. for every water molecule, one atom of oxygen and two molecules of hydrogen are needed). He also discovered the noble, or inert gases, and their failure to react with other substances. In 1869 a Russian chemist, best known for his development of the periodic law of the properties of the chemical elements (which states that elements show a regular pattern ("periodicity") when they are arranged according to their ...

Number of words: 1213 | Number of pages: 5

The Potential Effects Of A Depleted Ozone Layer - Detrykowski

... be said are 'bad'. A natural umbrella called the ozone layer protects the Earth and its inhabitants by screening out this harmful light. For " millions of years ozone has been protecting the earth " by absorbing ultraviolet or bad radiation from the sun ( Rowland, 1992, p.66 ). This natural umbrella protecting mankind has recently suffered the effects of industrialized society. This " ozone shield is dissipating " and the cause is laid primarily to man - made chemicals ( Bowermaster et al, 1990, p.27 ). If enough of these man - made chemical ...

Number of words: 2351 | Number of pages: 9

Plant Evolution

... this long period of time, some of the algae developed the ability of being able to make food by using the energy from sunlight to converts carbon dioxide and water into sugar or starch. This process was called photosynthesis. The next stage in the development in plants was 'The Age of Primitive Vascular Plants. This new period (the second stage) in plant history occurred within the next 50 million years (400-500 million years ago). Some of these developed root systems stems and leaves. They also formed woody tissue, which created stiffer stems ...

Number of words: 832 | Number of pages: 4

Robert Wright's Article "The Evolution Of Despair"

... example of how a writer can establish intimacy with his reader. The following example demonstrates Wright's use of first person and emotional appeal: "Whether burdened by an overwhelming flurry of daily commitments or stifled by a sense of social isolation; whether mired for hours in a sense of life's pointlessness or beset for days by unresolved anxiety; whether deprived by long workweeks from quality time with offspring or drowning in quantity time with them – whatever the source of stress, we at times get the feeling that modern l ...

Number of words: 825 | Number of pages: 3

Iron Meteorites

... Taisho. The gifts of the Foreign Affairs Minister are still in the Taisho family today. The meteorite also had nickel and small amounts of other minerals found within it's body. This gave the three swords an almost wood grain effect to their blades. Since the iron in the swords was not pure they were quite difficult to make for the master swordsmith Kinimune Okayoshi. Forging it by folding it over and over did not work out very well. So the forging could only be carried out when the metal had gotten so hot it turned white. Althoug ...

Number of words: 303 | Number of pages: 2

Aspirin A Brief History

... century after Hoffmann's discovery, aspirin continues to be the subject of extensive medical research and has gained recognition for life-saving properties as a cardiac care regime for millions of people. Bayer remains at the forefront as the major marketer of aspirin worldwide and is supporting research aimed at discovering new applications for its wonder drug, possibly helping to prevent everything from heart attacks to certain types of cancer and even Alzheimer's disease. Aspirin: from willow tree to Nobel Prize Aspirin's ac ...

Number of words: 607 | Number of pages: 3

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