Papers 1271-1280 of total 7380 found.
pollution is the unfavorable alteration of our surrounding, wholly or largely as a by product of man's actions, through direct or indirect effects of changes in energy patterns radiation levels, chemicals and physical constitution and abundance of organisms…
Details: Words: 2263 | Pages: 8.0 (approximately 235 words/page)
…The United States depends on fossil fuels, like oil and coal, for energy. According to experts these sources will exhaust by the year 2050. Fossil fuels also pollute the environment. So we need to search for alternative energy sources which are reliable…
Details: Words: 480 | Pages: 2.0 (approximately 235 words/page)
…than the original substance. In addition to pesticides, waste sites contain contaminated sprayers, empty containers and huge quantities of heavily polluted soil. Toxic waste is a big threat to the world problem and is one of the major issues to be solved…
Details: Words: 621 | Pages: 2.0 (approximately 235 words/page)
…and nitrogen oxides. These air pollutants arise from the use of coal in the production of electricity, from base-metal smelting, and from fuel combustion in vehicles. Once released into the atmosphere, they can be converted chemically into such secondary pollutants
Details: Words: 606 | Pages: 2.0 (approximately 235 words/page)
…fast, more and more people own cars. This leads to the air being heavily polluted, especially with carbon dioxide. Again it's time for technology to step up and provide us with a better, cleaner solution. The answer is a car powered by hydrogen. Over…
Details: Words: 510 | Pages: 2.0 (approximately 235 words/page)
…into an area, and pollution. Of these causes, direct habitat destruction threatens the most species. As species evolve, most adapt to a specific habitat or environment that best meets their survival needs. Habitat disintegration has caused plant and animal…
Details: Words: 662 | Pages: 2.0 (approximately 235 words/page)
…enough nitric acid to make four-fifths of an inch of rain with a pH of 3.5. Industrial activity, transportation, and burning fossil fuel for commercial and domestic purposes all contribute sulfate, nitrates, and other pollutants to the atmosphere. As sulfur…
Details: Words: 642 | Pages: 2.0 (approximately 235 words/page)
…disappearing were protected after the population got to critical levels and then threatened by extinction. Water quality policies were introduced after some rivers were so polluted that fish and aquatic life died. Still, we have achieved allot of success…
Details: Words: 651 | Pages: 2.0 (approximately 235 words/page)
…. A mixed culture of these strains will be able to utilize all of the substrates existing in dilute food wastes, reducing at the same time the level of pollution of the wastes, as measured by their biological oxygen demand (BOD). One of the main advantages…
Details: Words: 559 | Pages: 2.0 (approximately 235 words/page)
…good go a long way in terms of helping people. Businesses will usually have many conflicts with the government for several reasons. Firstly the government might believe that the business is polluting the atmosphere too much and therefore might call…
Details: Words: 671 | Pages: 2.0 (approximately 235 words/page)