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Search results 10491 - 10500 of 12257 matching essays
- 10491: Changes in the Earth's Environment
- ... the world and that further significant depletion would occur if extreme action was not taken to stop ozone- depleting substances (Kevies,1992). Apprehension of global warming on the other hand, rests on the theory that high concentrations of CO2 in the atmosphere trap radiation reflected from the earth, creating a greenhouse effect'. This then leads to an increase in temperature in the region close to the planets surface. The current attention ...
- 10492: Natural Disasters
- ... The winds on the surface accelerate near the center of the storm and is warmed up by the contact with the water(Britt, Ion Science). Here are the steps to the storm gaining strength: 1: High winds spiraling inward through bands of thunderstorms 2: whip up ocean spray, which increases evaporation. The storm begins feeding on itself, using the evaporated warm water as additional energy. 3: Rising air near the center ...
- 10493: Arizona Concrete
- ... addition. Materials used in the manufacture of portland cement must contain appropriate proportions of calcium oxide, silica, alumina, and iron oxide components. During manufacture, analyses of all materials are made frequently to ensure a uniformly high quality cement. Selected raw materials are crushed, milled, and proportioned in such a way that the resulting mixture has the desired chemical composition. The raw materials are generally a mixture of calcareous (calcium oxide) material ...
- 10494: Using Bicycles As An Alternative To Automobiles
- ... and may be far away, while bikes are easy to lock and can be locked close to any destination. Personal economics are also important. Cars are expensive to own and operate. On top of the high prices for new cars, one must also pay for insurance, fuel, and maintenance. Not only is the price of a new bicycle much lower, they cost almost nothing to operate. Still with all of these ...
- 10495: Time To Change
- ... company." The Earth-Firsters' tactics are not the only drastic only measures they practice. Their ideas seem to be quite extreme as well. For example, they believe the population of the world is entirely too high, by as much as ninety percent, causing too much "wear and tear" to the earth. To resolve this issue, some say we should cease all study toward the curing of disease. Others said we should ...
- 10496: Nuclear Energy and the Environment
- ... with surplus, and give off more pollution with less economic growth. Concurrently, countries wanted a more reliable, smokeless form of energy not controlled by OPEC, and very little uranium was required to produce such a high amount of resultant energy. Lastly, they said that renewable energy is (a) unreliable in that the wind, for example, could not be depended upon to blow, nor the sun to shine, and (b) were intermittent ...
- 10497: Should The Harris Superquarry Go Ahead?
- ... development, but what would become of it when the rock runs out or if demand falls? My personal feeling is that the rock should be left alone. The contamination of a pristine environment is too high a cost to pay. Clean Industry which could benefit from this resource would be a more appropriate development but due to the support of both central and local government, the islanders and Ian Wilson I ...
- 10498: Should There Be A Nuclear Power Plant In Saskatchewan?
- ... the government because less people would be collecting unemployment insurance and welfare. Thus adding to the amount the government could be spending on other things such as fixing highways, better healthcare, and more funding to school. Nuclear power is also a lot environment wise. Nuclear power requires a mere fraction of the space that is required to set up a solar, wind, or hydroelectric generating station which. This will allow more ...
- 10499: Recommendation For Recycling Water in Florida
- ... for irrigation of residential properties, golf courses, parks, schools, and other landscaped areas. The experimental work that was conducted by the State Virologist for the St. Petersburg project serves as the basis for Florida's high level reuse disinfection criteria. In the 1980s, the creation of the CONSERV II citrus irrigation project was implemented in portions of Orlando and Orange County. Project APRICOT, which is an urban and residential irrigation project ...
- 10500: The Rain Forest
- ... Earth's climate. The plants in the forest store carbon dioxide in their roots, stems, branches, and leaves which lessens the greenhouse effect, consequently, lessening global warming. Also, when rain falls in the rainforest, the high temperatures make the water evaporate back into the air which recycles the water. Also, the clouds that cover the rainforests around the equator reflect the sunlight. This keeps the rainforest from getting too hot (http ...
Search results 10491 - 10500 of 12257 matching essays
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