... to the usual functioning of vessels, aircraft, etc. (Hollis 2013, paras 43). Due to the continuous increase of the world's population and its consequential industrial development, the amounts of unwanted and damaging elements that flows directly or indirectly into the waters of the seas and oceans rises day by day; and the great capacity of the ocean to purify itself have reached the limits in some regions of the world as a product of the diverse uses of the seas. One of the greatest concerns is the massive ... amount and size of ships which enlarges the risks of marine pollution (Kiss ...

• Word Count: 1102
• Approx Pages: 4
• Has Bibliography
• Grade Level: Undergraduate

... which are caused directly or indirectly mostly by human activities. The constant variation in the global climate is pushing many of our ecosystems towards thresholds of quick irreversible transformation, the approach to such tipping points is noticed by different transformations in the arctic tundra vegetation, widespread desertification of arid lands, and increase in freshwater inputs to the arctic seas. Ecological tipping points are very hard to predict because their ... known as soil or subsoil that is frozen throughout the years permanently and has been frozen for thousands of years...

• Word Count: 2460
• Approx Pages: 10
• Has Bibliography
• Grade Level: Undergraduate

... in the speech- of the waves (732) and the waves raging "like a mountain cat- (737). The boat is also compared to "a bucking bronco- (728) and its movements on the waves are "like an animal- (728) as the boat "seemed like a horse making at a fence outrageously high- (728). The wild life the men encounter in the tale like the shark and the sea gulls are representative here of the balance in the natural world because the birds of course ... a "subtle brotherhood of men established on the seas- (730) and the correspondent who although he was "taught to be cynical of men- recognized "this co...

• Word Count: 1542
• Approx Pages: 6
• Grade Level: Undergraduate

... is underwater agriculture. There are many possibilities for the realm of mariculture, it has the potential to be a great help in the production of the food supply in the world. Mariculture is not a new development in mankinds history but it is a largely ignored form of food production. In a broad sense mariculture includes the rearing of tropical fishes, the production of minnows, koi, and goldfish; the culture of sport fishes for stocking into farm ponds, streams ... procurement not been used more extensively? There can be a few good reasons for this such as the availability of technol...

• Word Count: 1792
• Approx Pages: 7
• Has Bibliography
• Grade Level: Undergraduate