... precipitation. The major topics to discuss when talking about clouds are types/levels, formation, and history. There are many types of clouds classified into three levels. The first group is called High Level clouds. The type of clouds most often found in the high level stage are cirrus, ... crystals. These crystals are in general very small which together which accounts for the semi-transparency look of most cirrus clouds. Cirrocumulus clouds are thin, white patched sheets or a layer of clouds without shading. They are composed of very small elements in the form of grains or ripples. .....

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... carbon dioxide. The concentrations of these gases, while small, varied widely from place to place. In fact, atmospheric gases are often divided up into the major, constant components and the highly variable components, as shown in Table 1 and Table 2. Table 1: Constant Components. Proportions remain the same ... atmosphere: nitrogen (78%), and oxygen (21%). Argon, carbon dioxide and various trace gases make up the remainder. Scientists divided the atmosphere into four layers according to temperature: troposphere, stratosphere, mesosphere, and thermosphere. The temperature drops as we go...

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... spike. The other shapes all have six sides. One of them is a long, hollow column that is shaped like a six-sided prism. There are also thin, flat six-sided plates. Lastly there are intricate, six pointed stars. (Lansing) The temperature in the highest cloud is around -30 F and they are made ... through 2 to 200 separate snow crystals. (Lansing) Snow crystals are crystals that have formed around tiny bits of dirt that have been dragged up into the atmosphere by the wind. (Lansing) So snow crystals are really soil particles that have been dressed up in ice. It is said that ... no two snow...

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... in danger of becoming sterile, which would put the species at risk of becoming extinct. As with sulphur dioxide in rain, mercury is also discharged into the water. There is a direct connection between the mercury rich lakes as there is with those with high acidic levels. This metal becomes concentrated ... for respiratory disease and crop damage. The photochemical smog is also causing the ozone layer to disintegrate. An inordinate amount of sulphur dioxide is let into the air, more than can be neutralized by natural nutrients. The ecosystem is slowly eroding due to the increased amounts ...

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... sand of the ocean floor. His forehead jammed into a sharp rock, and he felt the skin above his eyebrow split. For a moment, he hovered under the surface of the water, surprised at how little pain his cut was giving him. Desperately needing some air, he popped his head out of the ... the sun slowly setting on the rippling water. The late afternoon sky was cloudless, and filled with streaks of orange and pink. Rainsford gripped his thin undershirt, and tore a piece from it. He wrapped it tightly around his head, hoping it would partially soak up the blood that was oozing ... Feeling sturd...

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... regions. Acid rain can harm both the land and the water. It is most damaging when it falls in streams, lakes, and on thin, sandy soil low in calcium carbonate (lime). Lime neutralizes the effects of the acid. Aside from polluting topsoil acid rain can alter entire ecosystems ... is formed when the byproducts of fossil fuels production combine with atmospheric water. Smoke expelled from smokestacks that reach a thousand feet into the air are saturated with sulfur dioxide, nitrogen dioxide and other chemicals. Wind carries the smoke hundreds of mile away from where it is generated. ... fr...

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... stuff. So here we go. Substance is anything that occupies space and has mass. Substances are diverse: air, water, rock and wood are all substances. Most substances can be broken down into other substances by chemical means. Any substance that cannot be broken down into other substances by ordinary chemical means is called an element. All elements, and thus all substances, are ... - membrane bound sacs, usually containing pigments.  Chloroplasts are a type of plastid that contains a green pigment complex called chlorophyl.  It is the pigment complex that transforms the energy of sunli...

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... so that I could have a good view of the green-blue ocean. As I stepped out of the car, I got my first taste of the salty sea air. After dragging all of my luggage up the flight of stairs that never seemed to end, I was already exhausted. But I still had to pick out my room ... there and watch. I sat there with my arms wrapped around my legs just taking in all the beauty that surrounded me. I wiggled my toes in the thin South Carolina sand that had been warmed by the sun. I watched as the gentle breeze tossed the water playfully, creating mystical waves. The sky was light ... with an ass...

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... Automobiles are the main source of nitrogen oxide emissions, and utility factories are the main source for sulfur dioxide emissions. These gases evaporate into the atmosphere and then oxidized in clouds to form nitric or nitrous acid and sulfuric acid. Acid rain kills plant life and destroys ... and roads"(EPA). Then while flowing to streams, lakes, and marshes acid rain releases aluminum, which is highly toxic to many species of aquatic organisms, into the water ways. This raises the acidic level of lakes and streams. According to Environmental Issues "Most lakes and streams have a ph b...

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... agencies, universities and research centers to reduce the frequency and impact of oil spills. As a result of new operating procedures and research into advanced technologies, the industry has made tremendous progress in preventing spills over the past decade. In 1997, the latest year that Coast ... occurring materials and represent a potential energy source for over 90 species of naturally occurring bacteria. When bacteria consume oil, they convert it into more soluble, oxidized products and eventually to carbon dioxide and water. Oxidation Oxidation occurs when radiation (particularly ...

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... developed a yellowish brood pouch containing eggs or young at the posterior end of the abdomen[1]. During sexual reproduction the male penis is inserted into the females gonopore, where the sperm is then transferred to the structurally modified second pleopod. The sperm is stored in a seminal receptacle, ... invertebrate species. Intraspecific, behavioral adaptations are expressed in competition for a mate. When two male Slaters were placed together during an investigation into these particular intraspecific relationships, the smaller of the two males retreats after antennal contact whils...

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