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Search results 10461 - 10470 of 12257 matching essays
- 10461: Hydroelectricity
- ... level can be assured. In contrast to storage-type plants, which depend on the impounding of large amounts of water, a few examples exist where both the water drop and the steady flow rate are high enough to permit so-called run-of-the-river installations; one such is the joint U.S.-Canadian Niagara Falls power project. Although hydroelectric-power generation in the U.S. has increased from about 16 ...
- 10462: Surface Area to Volume Ratios in Plants (Arid vs. Moist Environments)
- ... is crucial to investigate aspects such as how much water loss or water intake a plant can withstand. A plant in an area with large amounts of precipitation for example, is expected to have a high surface area to volume ratio. If weather patterns were to suddenly change due to a global warming trend, how would this affect the plants growth and ability to photosynthesize? These are the questions that ...
- 10463: Black Holes
- ... occurs. When the star is passed on into the Event Horizon the light that the star endures is bent within the current and therefore cannot be seen in space. At this exact point in time, high amounts of radiation are given off, that with the proper equipment can be detected and seen as an image of a black hole. Through this technique astronomers now believe that they have found a black ...
- 10464: Frogs
- ... in the hills. In the spring time me and my cousins, Kelly and T.J. run around trying to catch them. They are hard to catch! Their legs are so long and they jump so high that you never know where they are going to jump next. Frogs aren't an endangered species. If you find a frog one day, you can catch it and bring it home. This would be ...
- 10465: Hurricanes
- ... a week or more (example: Hurricane Dorthy) In that time, it may travel tens of thousands of miles over the sea and land. At sea, hurricane winds whip up giant waves up to 20 feet high. Such waves can tear freighters and other oceangoing ships in half. Over land, hurricane winds can uproot trees, blow down telephone lines and power lines, and tear chimneys off rooftops. The air is filled with ...
- 10466: An Agricultural Movement
- ... then, only 15% to 20%, and sometimes as low as 4%, of local eggs hatch, as opposed to 65% in other parts of Florida. Even if the eggs do hatch, the adult alligators have abnormally high female hormones, even the males, and cannot reproduce due to abnormal anatomy. (296). To add more on the subject of hormones and infertility, Fred Wright, Jr., wrote that these problems in the alligators may be ...
- 10467: Advanced Green Builder Demonstration House
- ... character of the building. It is an aesthetic of revealing versus disguising. The roofs steep pitched metallic roofs provide a surface for rain water collection as well as an intriguing roof plan. Due to its high recycled-metal-content and its low cost of material and labor, the main structure of the two-story house is comprised mainly of rebar. The rebar is fastened together similar to an erector set, using ...
- 10468: Water Pollution
- ... oceans are dying. The effects of pollution are taking their toll on marine life. As the Earths waters are being attacked by natural and man-made contaminants, marine plants and animals are paying the high price. The definition of water pollution is the contamination of water by foreign matter that deteriorates the quality of the water. While this is a general meaning of the term, it is also accurate. The ...
- 10469: Tomatoes
- ... to have originated in the mountainous regions of the Andes (Peru, Ecuador and Chile). Other distinct relatives are found among the flora of the Galapagos Islands. These relatives can be found in many environments, from high, moist elevations in the mountains to dry coastal regions and variations inbetween. Domestication of the tomato is believed to have occurred with the early civilizations of Mexico. The name tomato may have been derived from ...
- 10470: Diffraction And The Debye-Scherrer Camera
- ... it being 3.00 X 108 m/s in a vacuum. However light waves come in a variety of wavelengths and frequencies. The shortest wavelengths and highest frequencies are those of gamma rays which are high-energy light waves. Radio waves have the longest wavelengths and the lowest frequencies of the light waves. Special attention will be gven to sinusoidal waves. Sinusoidal waves have the basic sine function shape. The vertical ...
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