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Science Online Essays


Aandp Kidney Problems
Number of words: 566 | Number of pages: 3

... do not filter through the Glomeruli wall continue through the Kidneys blood supply, allowing it to reenter the renal vein and inferior vena cava. On a normal basis only small molecular weights (such as sugars, fatty acids, water, etc.) Are filtered at the renal Glomeruli. Larger waste such as proteins and hormones do not normally filter through the glomular barrier. If the Glomeruli are damaged by an infection than substances, which are not normally filtered, will end up in the renal urinary tubules. This will allow the red blood cells to discolor the urine and appear on a Urinalysis, which is a sign of glomerular disease. This process is adversely affected by the damaged Glomeruli. T ...

Dreams
Number of words: 924 | Number of pages: 4

... This up bringing has also affected the way women dream. ³Women are more likely to dial into their interior life whether awake or asleep² (Segell 42). This means that women will read into their more frequently then men. Researchers have found that problems that occur during the day either at work or home and are worked through in your sleep (Segell 42). While men would most likely look at these as nothing but a dream, women will try to face these problems throughout the day. Although there are many differences there are also similarities between men and women in . ³Like women, you have slightly more negative than positive ² (Segell 42). Which in this case would show one of th ...

Pluto
Number of words: 683 | Number of pages: 3

... which converts to negative three hundred sixty nine and negative three hundred eighty nine degrees farenhiet.Its extremely frigid tempetures are due to its obvious distance from the sun.Its atmosphere consists of nothing more than methane.Plutos thin atmosphere also contributes greatly to its extremely low atmospheric pressure only one hundred times weaker than that of Earth's. Its surface is made of very rocky material which is believed to be caused by the low tempeture, and atmospheric pressure. Pluto has only one natural satellite named Charon.Not so much as satellite a duplicate of Pluto its diameter is one thousand nine hundred ninety two kilometers (720 miles).Discovered in ninetee ...

Global Warming 4
Number of words: 773 | Number of pages: 3

... are small, so far, but they are expected to grow and speed up. Within the next 50 to 100 years, the earth will continue to heat up hotter than it has been in the past million years. As oceans warm and glaciers melt, land and cities along coasts may be flooded. Heat and drought may cause forests to die and food crops to fail. Global warming will effect weather everywhere, plants and animals everywhere and people everywhere. Humans are warming the earth¹s atmosphere by burning fuels, cutting down forests, and by taking part in other activities that release certain heat- trapping gasses into the air. Humans all over the world need to get together and solve these problems.In the souther ...

Global Warming
Number of words: 368 | Number of pages: 2

... U.S. government satellites and weather balloons1997 as the seventh coolest year since satellite measurements began in 1978. Further more, satellite and balloon based information, which uses different technology, concur with each other's readings according to NASA. My opinion is that surface-based information can not be relied on until it covers more land. Also, I find it difficult to argue with two different sources that prove each other's information to be accurate. I do not, however, feel that we should immediately depend on the reliability of either conjecture since the stakes are so high. I feel that further research and development should be pursued. I think that electric cars sh ...

Predator - Prey Relationships
Number of words: 4238 | Number of pages: 16

... to preditation in the sense that the parasite derives nourishment from the host on which it feeds and the predator derives nourishment from the prey on which it feeds(Nitecki 1983). Parasitism is different from most normal predator prey situations because many different parasites can feed off of just one host but very few predators can feed on the same prey(1973). In parasite-host relationships most commonly the parasite is smaller than the host. This would explain why many parasites can feed off of one single host. Another difference in parasite-host relationships is that normally the parasite or group of parasites do not kill the host from feeding, whereas a predator will kill it’ s ...

Flooding
Number of words: 3318 | Number of pages: 13

... who favor public expenditures to hold back the sea and other public officials and some scientists who are skeptical about erosion-fighting programs. There were those who believed people should not be allowed to rebuild in hazardous areas and those who would not forbid them to build as long as they did not ask for recompense when they got into trouble. One group has felt property owners should not be compensated if they are forbidden to rebuild, and others say it is unconstitutional to take property without compensation. The November 1997 meeting helped to demonstrate that the issue of sea level rise is more than a retreat slogan; it is an important environmental condition that ...

Circulation Systems Over China
Number of words: 1879 | Number of pages: 7

... For any fluid to initiate movements, pressure gradient must exists. Therefore, for a close understanding of the circulation system that operates over China, we should start from discussing the seasonal pressure distribution at sea-level over the Asia-Pacific region, which is the driving force for the air movements in China. Most clearly to be seen, the largest difference in the atmospheric pressure occurs between winter and summer, whereby January and July can be considered as representative months. In January, a typical cold anticyclone with central pressure above 1,040 hectopascals (hPa) developed over mid-Siberia and Mongolia (Mongolian High); while a strongly established cyclone over t ...

Mars 3
Number of words: 1802 | Number of pages: 7

... as our air, but even this small amount can condense out, forming clouds that rise high in the atmosphere or swirl around the slopes of towering volcanoes. Local patches of early morning fog can form in valleys. At the Viking Lander 2 site, a thin layer of water frost covered the ground each winter. There is evidence that in the past a denser Martian atmosphere may have allowed water to flow on the planet. Physical features closely resembling shorelines, gorges, riverbeds and islands suggest that great rivers once marked the planet. Mars is smaller and, because of its greater distance from the Sun, cooler than the eearth. It has seasons similar to Earth's because the tilt of its rotationa ...

Deforestation Of The Pacific Northwest
Number of words: 1195 | Number of pages: 5

... some thousand-year-old stands with heights above three-hundred feet and diameters of more than ten feet. In 1990, the number of spotted owls dropped to 2000 breeding pairs. The preservation of any species contributes to the biodiversity of an area. In an ecosystem, the absence of one species creates unfavorable conditions for the others. The absence of the spotted owl could have a significant effect on the North Coast forest ecosystem. In order to send the owl population in the right direction, the major problem for their decline would have to be remedied – loss of habitat. This fact combined with the owls' short life expectancy and late age of breeding only exacerbates the probl ...

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