... percent of the oceans? There is a massive area of the ocean floor still to explore, but the future of marine exploration is likely to focus on exploring the ocean world we already know, but in new ways. Day brilliantly put it like this, "If this page represents the total area of the world's ocean floors, then the period at the end of this sentence represents the area that has been seen directly through the eyes of divers ... helped shape the tech savvy world it is today. I'm saying it is beneficial to push the boundaries on limits because if you do not, you will never know. Based on pre...

• Word Count: 1465
• Approx Pages: 6
• Has Bibliography
• Grade Level: High School

... "homeland." This was the dominant landmass of Earth for nearly 350 million years. Western North America used to lie next to what is now Australia and Antarctica. This world was a dark and hostile one, where the only life to exist was probably single-celled organisms. Oxygen in the atmosphere was only 5% of what it is today, and was lacking the protective ozone layer to ... shield it from harmful radiation. These are the conditions in which Washington formed under more than a billion ... these changes that may have contributed to a mass extinction where near 90% of all species were elim...

• Word Count: 1275
• Approx Pages: 5
• Grade Level: High School

... 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

... on earth that could break down this new polymer called Bakelite (Terry 16). This is how the existence of the non-biodegradable plastics we use today was created. Plastic is the one the most widely used material and the cheapest in the world. Many of us don't realize plastic is part of our daily life, it surrounds us. Plastic is everywhere throughout our home, to our workplace, transportations ... that can degrade plastic. That means every piece we ever made still exists. Plastics have been the most consumed materials of human societies in the recent decades (Zhou 80-86). There is a wide ...

• Word Count: 1412
• Approx Pages: 6
• Grade Level: High School

... 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

... every day and need rescuing to save them. In the United States there is a couple of laws that protects marine life, the Marine Mammal Act of 1972, The Magnuson-Stevens Fishery Conservation and Management Act, and the National Environmental Policy Act but this is only set in the United States. Anthropogenic effects are the ways humans interact in the world either good or bad. . Although we have laws ... used in catching marine life that live on the seafloor, such as shrimp, cod, sole and flounder. In the US, bottom trawling occurs on the Pacific, Atlantic and Gulf coasts, capturing more t...

• Word Count: 1263
• Approx Pages: 5
• Has Bibliography

... to survive in nutrient-poor tropical seas. This relationship is sensitive to such changes in the environment as cloudy waters or extreme temperatures. The stress on the corals can cause them to expel their algae, a phenomenon known as bleaching(Futurists, 1993). With the algae gone, the coral skeleton is visible and eventually it dies. Died corals lead further on to the death of the reef. There are four environmental ... shore. This also makes it hard for all of the species which use the coral reef to survive. Coral reefs are home to perhaps one-fourth of all marine species. This in tur...

• Word Count: 1284
• Approx Pages: 5
• Has Bibliography
• Grade Level: High School

... to survive in nutrient-poor tropical seas. This relationship is sensitive to such changes in the environment as cloudy waters or extreme temperatures. The stress on the corals can cause them to expel their algae, a phenomenon known as bleaching(Futurists, 1993). With the algae gone, the coral skeleton is visible and eventually it dies. Died corals lead further on to the death of the reef. There are four environmental ... shore. This also makes it hard for all of the species which use the coral reef to survive. Coral reefs are home to perhaps one-fourth of all marine species. This in tur...

• Word Count: 1326
• Approx Pages: 5
• Has Bibliography
• Grade Level: High School

... got his first assignment commanding a ship. It was to commence on a secret mission to Tinian to drop off the first atomic bomb the world has ever known, and half of the amount of uranium 235 that was in the US at the time. The Indy would be serving as a replacement for the USS Pensacola since it had failed its sea tests. Upon receiving this news McVay was nervous about his ... were because of the sharks on an average of about 50 boys per day." (249) As the crew of the Indy was strewn across the ocean fending for their lives, no one had noticed its absence except Gibson, but he just mark...

• Word Count: 1873
• Approx Pages: 7
• Grade Level: High School

... to survive in nutrient-poor tropical seas. This relationship is sensitive to such changes in the environment as cloudy waters or extreme temperatures. The stress on the corals can cause them to expel their algae, a phenomenon known as bleaching(Futurists, 1993). With the algae gone, the coral skeleton is visible and eventually it dies. Died corals lead further on to the death of the reef. There are four environmental ... shore. This also makes it hard for all of the species which use the coral reef to survive. Coral reefs are home to perhaps one-fourth of all marine species. This in tur...

• Word Count: 1321
• Approx Pages: 5
• Has Bibliography
• Grade Level: High School

... to survive in nutrient-poor tropical seas. This relationship is sensitive to such changes in the environment as cloudy waters or extreme temperatures. The stress on the corals can cause them to expel their algae, a phenomenon known as bleaching(Futurists, 1993). With the algae gone, the coral skeleton is visible and eventually it dies. Died corals lead further on to the death of the reef. There are four environmental ... shore. This also makes it hard for all of the species which use the coral reef to survive. Coral reefs are home to perhaps one-fourth of all marine species. This in tur...

• Word Count: 1301
• Approx Pages: 5
• Has Bibliography
• Grade Level: High School

... is no longer a balance between the amount of carbon dioxide being added to the air and the amount of carbon dioxide being removed. As a result, the concentration of carbon dioxide in the air is steadily increasing. Unfortunately, burning fossil fuels is not the only thing that we humans are doing to increase the amount of carbon dioxide in the atmosphere. In many parts of the world today, forests are being destroyed at ... tropical storm activity. The hurricane season in the Atlantic and Caribbean is expected to start earlier and last longer. Storms will be more severe. Changing wind pa...

• Word Count: 2008
• Approx Pages: 8
• Has Bibliography
• Grade Level: High School

... is no longer a balance between the amount of carbon dioxide being added to the air and the amount of carbon dioxide being removed. As a result, the concentration of carbon dioxide in the air is steadily increasing. Unfortunately, burning fossil fuels is not the only thing that we humans are doing to increase the amount of carbon dioxide in the atmosphere. In many parts of the world today, forests are being destroyed at ... tropical storm activity. The hurricane season in the Atlantic and Caribbean is expected to start earlier and last longer. Storms will be more severe. Changing wind pa...

• Word Count: 2008
• Approx Pages: 8
• Has Bibliography
• Grade Level: High School