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Search results 4701 - 4710 of 8374 matching essays
- 4701: Green Laws Boost Clean-up Iindustry
- ... house-proud", or is planet earth just in for a spring cleaning? It is hard to say - but one thing is for sure; the environmental sector is en-joying a boom. The market for pollution control technology is on a steep exponential growth curve, which seems to be interminable. Especially the European companies put down their names for an immense part of the expansion. But what is the precise nature of ...
- 4702: Global Warming
- ... current Earth science research satellites and field measurement programs, providing data archiving, distribution, and information management services. During the EOS era-- beginning with the launch of the TRMM satellite in 1997 EOSDIS will command and control satellites and instruments, and will generate useful products from orbital observations. EOSDIS will also generate data sets made by assimilation of satellite and in situ observations into global climate models. The instrument that we chose ...
- 4703: Faster Dissolved Oxygen Test Kit
- ... by enacting laws to help preserve our natural resources. There is local evidence that improved sewage treatment means improvement in water quality. Monitoring on a national level showed that large investments in point-source pollution control have yielded no statistically significant pattern of improvement in dissolved oxygen levels in water in the last 15 years. It may be that we are only keeping up with the amount of pollution we are ...
- 4704: Estuaries
- ... flows through salt marsh peat and the dense mesh of marsh grass blades, much of the sediment and nutrient load is filtered out. This filtration process creates cleaner and clearer water. Estuaries also provide flood control. Porous, resilient salt marsh soils and grasses absorb flood waters and diffuse storm surges. Salt marsh dominated estuaries provide natural buffers between the land and the ocean. They protect upland organisms as well as billions ...
- 4705: Deforestation
- ... millennium, people have benefited from the forests. Forest products range from simple fuelwood and building poles to sophisticated natural medicines, and from high- tech wood based manufactures to paper products. Environmental benefits include water flow control, soil conservation, and atmospheric influences. Brazil's Amozonia contains half of the world's tropical rain forests. The forests cover a region 10 times the size of Texas. Only about 10% of Brazil's rain ...
- 4706: Death of a Planet
- ... The Environmental Protection Agency. Automobile Emission: An overiew: Factsheet OMS-5. http://www.epa.gov/OMS www/05-autos.htm. 1994. 1-5. The Environmental Protection Agency. Remote Sensing: A Supplemental Tool for Vehicle Emission Control: Factsheet OMS-15. http://www.epa.gov/OMS www/ 15- -remot.htm. 1993. 1-2.
- 4707: Chimpanzee
- ... clique destroy infants of females who associated with males of a rival clique.(Hamai, 1992:159) Spijerman(1990) proposed that infanticide functions as a kind of display to fortify male social status, or "to increase control over the attention of others."(Hamai 1992:159) Another idea was Kawanaka's(1981) that infanticide was an "elimination of the product of incest."(Hamai 1992:159) Some believe that the function of infanticide is ...
- 4708: "Biodiversity"
- ... in biodiversity preservation. It's most important feature is biodiversity. Old growth forests provide us with many of the things that we as humans take for granted, for example, breathable air pure water, and pest control through birds, bats, and insects. In the Eastern U.S., most of the old growth occurs in small isolated areas. Scientist have come to the conclusion that even if these matured areas cover a substantial ...
- 4709: Advantages of Producing Crops Through Use of Hydroponics
- ... shrubs. Everything from Aloe Vera to Zucchinis can be grown in this unique system. There are many advantages to using a hydroponic system for growing plants. The most obvious being that it is easier to control the plant growing environment. Some others are restricted supply of suitable water, lack of suitable soil, high labor cost of traditional cultivation, high cost of sterilizing soil, and there is a greater reliability and predictability ...
- 4710: Remotely Operated Vehicles
- ... ROV is a remotely operated vehicle which is a robot that moves in response to commands given by a human operator or a computer from a distance. Rov's mainly consist of a frame, a control system, a propulsion system, a tether management system and some usually have an on board camera. ROV's have been used for the last thirty years. They have been doing tasks that divers can't ...
Search results 4701 - 4710 of 8374 matching essays
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