THE SENTINEL Arthur C. Clarke 1951 Avon Periodicals Inc. The next time you see the full moon high in the south‚ look carefully at its right-hand edge and let your eye travel upward along the curve of the disk. Round about two o’clock you will notice a small‚ dark oval: anyone with normal eyesight can find it quite easily. It is the great walled plain‚ one of the finest on the Moon‚ known as the Mare Crisium-the Sea of Crises. Three hundred miles in diameter‚ and almost completely surrounded
Premium Moon Earth
2010 Once more to the Lake is an essay written by E.B. in which the author tries to establish the links of his present life with his past experiences when he was a little boy. The essay starts as a father and son go to the lake‚ which was a favorite place for camping and fishing of the father when he was a child. The father is full of expectations as the lake symbolizes his youth ages and the most careless period of his life. So the decision to go fishing again on this lake may be regarded as an
Premium Time Writing Genre
LIFE ON THE LINE By Roger Rapoport A week spent building cars gives an insight into the industry’s problems "Leave Your Brains at Home". Wixom‚ Mich. - The Ford Motor Co. auto assembly line here is an impressive sight. Bare ftames are put on a slowly moving conveyor. Wheels‚ engines‚ seats‚ body sections and hundreds of other components are added along the way. At the end of the quartermile‚ 90-minute trip‚ finished cars are driven off to be inspected and shipped to dealers. It takes
Premium Ford Motor Company Automobile Steering
Capitol Lake: Estuary vs. Lake Capitol Lake is a 260 acre large lake that has been a major icon of Olympia and its capitol campus ever since it was created. The lake is well-admired by tourists and locals. It has continuously attracted people with its gorgeous setting‚ and available trails around the lake to jog or walk. Wildlife such as birds‚ fish‚ seals‚ and other marine life have also added to this great nature experience. But what most people don’t know is that even though Capitol Lake is beautiful
Premium Water River Water pollution
Lake Chad: almost gone Straddling the borders of Chad‚ Niger and Cameroon in West Africa‚ Lake Chad has been a source of freshwater for irrigation projects in each of these countries. Maps drawn from a series of satellite images show a dramatic decrease in the size of the lake over the past 30 years. Since 1963‚ the lake has shrunk to nearly a twentieth of its original size‚ due both to climatic changes and to high demands for agricultural water. Since 1963‚ the surface area of Lake Chad has decreased
Premium Nigeria Agriculture Climate
Do clean lakes really exist? By Yujia‚ Luo (Group 1) September‚ 2014 Introduction A main purpose of wastewater and sludge treatment is to remove phosphorus (P). It seems to be reasonable because excess phosphorus entering the aquatic systems can result in algal blooms. People have been taking much effort to explore simple‚ economic and high effective methods to remove phosphorus. Concentration of nitrogen (N) is another important element to assess the quality of freshwater. As the same with phosphorus
Premium Water Water pollution Water quality
Crater Lake Crater Lake is located at southwestern off Highway 62 in Oregon. It is Oregon?s only national park. It is the deepest lake in the United States and is the seventh deepest in the world. Crater Lake has an average diameter of 5.3 miles in length and is approximately 1‚932 feet deep. Crater Lake is a result of a volcanic explosion that happened about 7‚000 years ago. A long time ago‚ the pacific oceanic plate was gradually moving under the pacific continental plate in the process
Premium Oregon United States Water
Another reason Lake Erie’s water is polluted is due to toxins. First‚ there is a lot of bacteria entering Lake Erie. A few years ago much of Lake Erie was very contaminated with dangerous toxins from algae: “In 2011‚ bright green slime spread across one-third of Lake Erie. The slime was a harmful algal bloom‚ caused by cyanobacteria” (Kowalski 34). As a result of Lake Erie being polluted people must find the issue and resolve it. One theory of the pollution in Lake Erie is that the species are not
Premium Algal bloom Eutrophication Algae
STUDY: LAKE VICTORIA Krystle Baxter University of Phoenix August‚ 2012 Lake Victoria is the second largest fresh water lake in East Africa. Lake Victoria was the home to over 400 cichlids; which today more than half of the population are now extinct. A major destruction of Lake Victoria’s ecological balance was due to the Nile Perch. The Nile perch is a large voracious predator. The Nile Perch was brought to Lake Victoria to help out fisherman but instead the ecological balance of the lake stared
Premium Lake Victoria Water Water resources
Should we protect the Great Lakes? Why? Why not? If so‚ How? Why is it important that we protect the watershed surrounding the Great Lakes? The Great Lakes hold 90% of North America’s fresh surface water but this water supply is not infinite. As of now‚ both Canada and many states from the US are piped with potable water from the Great Lakes. This leads me to believe that we must protect the Great Lakes. If the Great Lakes are used erroneously‚ both in mishandling of the water and contamination
Premium Water United States Greenhouse gas