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Free research papers and essays on topics related to: antarctic

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  • Air Pollution - 1,546 words
    Air Pollution Air Pollution is addition of harmful substances to the atmosphere resulting in damage to the environment, human health, and quality of life. One of many forms of pollution, air pollution occurs inside homes, schools, and offices; in cities; across continents; and even globally. Air pollution makes people sick, it causes breathing problems and promotes cancer, and it harms plants, animals, and the ecosystems in which they live. Some air pollutants return to earth in the form of acid rain and snow, which corrode statues and buildings, damage crops and forests, and make lakes and streams unsuitable for fish and other plant and animal life. Pollution is changing the earth's atmosph ...
    Related: air pollution, pollution, greenhouse gases, global scale, burn
  • Australia - 1,551 words
    Australia AUSTRALIA Australia is an island continent located southeast of Asia and forming, with the nearby island of Tasmania, the Commonwealth of Australia, a self-governing member of the Commonwealth of Nations. The continent is bounded on the north by the Timor Sea, the Arafura Sea, and the Torres Strait; on the east by the Coral Sea and the Tasman Sea; on the south by the Bass Strait and the Indian Ocean; and on the west by the Indian Ocean. The commonwealth extends for about about 2500 miles from east to west and for about 2300 miles from north to south. Its coastline measures some 22,826 miles. The area of the commonwealth is 2,966,150 square miles, and the area of the continent alone ...
    Related: australia, south australia, federal government, food and drink, exporter
  • Blue Whale - 491 words
    Blue Whale The blue whale heart is the size of a small car, the major arteries leading from the heart a small child can stand it! This is an example about amazing whale fact. I focused about previous amazing facts on whales, dolphins, and porpoises in this research paper. As we knows, whales are one of the most intelligent mammal in the ocean. There are two kinds of whale, one is toothed whales and the other one is baleen whale. The third largest whale in the world is the sperm whale. It is the biggest toothed whale in the world. In Latin, physeter macrocephalus means sperm whale. The sperm whale has the biggest forehead of the whales. It has a long narrow jaw. The sperm whale smells through ...
    Related: blue whale, whale, research paper, reproduction, shallow
  • Chlorofluorocarbons Cfcs - 701 words
    Chlorofluorocarbons (CFCs) CFCs are a family of man-made gases used for various industrial purposes. First developed in the 1920's in the United States, CFCs have been used in large quantaties since 1950. The industrialized countries can account for over 80% of CFCs use. CFC-11 is used primarily as a propellant in aerosol cans, although its use has been phased out it is still used in the production of plastic foams. CFC-12 is used in foam production as well as cooling coals of refrigerators and air conditioners. HCFC-22 was recently introduced as a replacement for CFC-12 because of its shorter life in the atmosphere, and thus is less of an ozone depleting drug. CFC-113, methyl chloroform, an ...
    Related: cfcs, greenhouse gases, montreal protocol, aerosol cans, industrialized
  • Cold Water Discovered In The Subtropical Atlantic Was Brought There By A Current Which Had Originated In The Polar Region Tem - 638 words
    Cold water discovered in the subtropical Atlantic was brought there by a current which had originated in the polar region; temperature measurements in the real ocean and computer models show there is a southward outflow of cold deep water from the Arctic throughout the Atlantic. This cold water is replaced by warm surface waters, which gradually give off their heat to the atmosphere as they flow northward towards Europe. This acts as a massive heating system for all the land downwind. The heat released by this system is enormous: it measures around 1015 W, equivalent to the output of a million large power stations. If we compare places in Europe with locations at similar latitudes on the Nor ...
    Related: atlantic, north atlantic, originated, polar, polar region
  • Depletion Of The Ozone Layer - 1,052 words
    Depletion of the Ozone Layer Depletion of the Ozone Layer CHEM 151 Research Paper July 11, 1996 The ozone layer diminishes more each year. As the area of polar ozone depletion (commonly called the ozone hole) gets larger, additional ultraviolet rays are allowed to pass through. These rays cause cancer, cataracts, and lowered immunity to diseases.1 What causes the depletion of the ozone layer? In 1970, Crutzen first showed that nitrogen oxides produced by decaying nitrous oxide from soil-borne microbes react catalytically with ozone hastening its depletion. His findings started research on "global biogeochemical cycles" as well as the effects of supersonic transport aircraft that release nitr ...
    Related: depletion, layer, ozone, ozone depletion, ozone hole, ozone layer, stratospheric ozone
  • Earth Planet - 2,128 words
    ... salt dissolved in the oceans is, on the average, 34.5 percent by weight. About the same percentage can be obtained if three quarters of a teaspoon of salt is dissolved in eight ounces of water. Water Supply for the Earth Water that evaporates from the surface of the oceans into the atmosphere provides most of the rain that falls on the continents. Steadily moving air currents in the Earth's atmosphere carry the moist air inland. When the air cools, the vapour condenses to form water droplets. These are seen most commonly as clouds. Often the droplets come together to form raindrops. If the atmosphere is cold enough, snowflakes form instead of raindrops. In either case, water that has tr ...
    Related: planet, planet earth, north pole, atmospheric pressure, supplying
  • Earthquakes - 1,631 words
    Earthquakes Earthquakes Describe the frequency, origin and distribution of earthquakes at mid-ocean ridges, ocean basins, subduction zones and continental shields. Earthquakes are happening almost everyday all over the world. Most of the time earthquakes are not strong enough to be felt by people, but the shaking caused by an earthquake is recorded by a seismogram. These are located all over the world at different points. Only occasionally will a larger magnitude earthquake strike and cause damage to the region. Around the world there are many faults, depending where these faults are plays a major factor in determining where an earthquake will happen. It is these faults that are the reason f ...
    Related: earthquakes, microsoft encarta, subduction zones, indian ocean, plate
  • Earthquakes - 2,685 words
    ... education and preparedness plans can help significantly reduce death and injury caused by earthquakes. People can take several preventative measures within their homes and at the office to reduce risk. Supports and bracing for shelves reduce the likelihood of items falling and potentially causing harm. Maintaining an earthquake survival kit in the home and at the office is also an important part of being prepared. (On shifting ground p.97) In the home, earthquake preparedness includes maintaining an earthquake kit and making sure that the house is structurally stable. The local chapter of the American Red Cross is a good source of information for how to assemble an earthquake kit. During ...
    Related: earthquakes, francisco earthquake, undergraduate degree, north american, japan
  • Emperor Penguins - 989 words
    Emperor Penguins The Fascinating Emperor Penguins Among the numerous different species of birds in the world one particular type stands out from them all. The emperor penguin reigns as one of the most interesting and unknown birds in scientists' minds. The way that they conform and blend into the Antarctic environment, even during the harshest condition, underlines the uniqueness of these spectacular creatures. Scientists have been captivated by the amazing reproductive lives of the Emperor penguins, who live and behave in a way unlike any other animal in the world. Emperor penguins have baffled researchers and scientists for many years because of their unusual methods of mating amongst each ...
    Related: emperor, emperor penguin, food supply, san diego, questioning
  • Greenpeace Ships - 1,451 words
    Greenpeace Ships Greenpeace began on the sea. It earned its first fame by sailing into the US atomic test site in the North Pacific and through the fights to save the seals and the whales. The sea -- with its vast expanses and murky depths, home of leviathan, burial ground for atomic reactors and toxic wastes, its very immensity a cloak for the un scrupulous, belonging to everyone but no one, and so to be seized and used at the will of the mighty -- the deep sea and its inhabitants have no neighbours and no witnesses to protest what is happening to them. The Greenpeace fleet attempts to be that witness and good neighbour, checking to see that agreements are observed, to protest and when poss ...
    Related: greenpeace, climate change, great lakes, environmental movement, hamburg
  • Hot And Dry Desert - 1,370 words
    Hot and Dry Desert The four major North American deserts of this type are the Chihuahuan, Sonoran, Mojave and Great Basin. Others outside the U.S. include the Southern Asian realm, Neotropical (South and Central America), Ethiopian (Africa) and Australian. The seasons are generally warm throughout the year and very hot in the summer. The winters usually bring little rainfall. Temperatures exhibit daily extremes because the atmosphere contains little humidity to block the Suns rays. Desert surfaces receive a little more than twice the solar radiation received by humid regions and lose almost twice as much heat at night. Many mean annual temperatures range from 20-25 C. The extreme maximum ran ...
    Related: desert, central america, north america, great basin, snow
  • Jungle And The Rain Forest - 786 words
    Jungle and The Rain Forest Jungle and rain forest are terms that are often used synonymously but with little precision. The more meaningful and restrictive of these terms is rain forest, which refers to the climax or primary forest in regions with high rainfall (greater than 1.8 m/70 in per year), chiefly but not exclusively found in the tropics. Rain forests are significant for their valuable timber resources, and in the tropics they afford sites for commercial crops such as rubber, tea, coffee, bananas, and sugarcane. They also include some of the last remaining areas of the Earth that are both unexploited economically and inadequately known scientifically. The term jungle originally refer ...
    Related: forest, jungle, rain, rain forest, tropical forest, tropical rain forest
  • Killer Whales Scientific Classification: Order Genus - 1,836 words
    Killer Whales Scientific Classification: Order & Genus Killer Whales Scientific Classification: Order & Genus. The scientific order of all types of whales is Cetacea. This large order is broken down into three further groups as well: the toothed whales or Odontoceti, which includes killer whales, dolphins, porpoises, beluga whales, and sperm whales, the baleen whales or Mysticeti, which include blue whales, humpback whales, gray whales, and right whales, and the Archaeoceti order, which are all now extinct. The genus of these species is Orcinus orca. Family. The killer whale is the largest in its family of delphinid. Bottlenose dolphins, common dolphins, and Pacific white-sided dolphins are ...
    Related: genus, killer, more important, body weight, buds
  • Killer Whales: Gentle Giants, Or Viscous Killers - 1,396 words
    "Killer Whales: Gentle Giants, or Viscous Killers?" Killer whales are an important subject of mythology for many indigenous peoples, especially the Native Americans of the Pacific Northwest. The whales have not been hunted extensively by humans, although they have been hunted by some shore whaling operations, and some individuals have been taken as aquarium show animals from the waters around the Pacific Northwest and Iceland. Killer whales are perceived by many near-shore fishermen to be in competition with human fishing activity (Anheiser Busch 1). The killer whale, or Orcinus orca can be found worldwide in all seas from both tropics to Arctic and Antarctic oceans. They are one of the most ...
    Related: gentle, killer, works cited, multiple choice, lecture
  • Norway - 1,332 words
    Norway The official country name in conventional long form is the Kingdom of Norway. Norge is the local short form. The capital of Norway is Oslo. Norway is situated far to the north in the western corner of Europe bordering the North Sea and the North Atlantic Ocean. Norway shares borders with Sweden, Finland and Russia. The Kingdom of Norway, in addition to the mainland, includes the Svalbard archipelago and Jan Mayen. Norway also has territories in the Antarctic region. These are Bouvet Island and Peter I Island. The size of Norway is slightly larger that New Mexico. The geographical conditions do not favor internal communication in Norway. The terrain is two-thirds mountains and there ar ...
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  • Organism Adaptations - 1,775 words
    ... rain and spinal chord's inter neurons -> motor neurons -> arm muscles Movement and Locomotion - for protists and animals, responses usually involves some form of movement - all animals are capable of some sort of movement - an animal's movement is controlled by its nervous system locomotion: movement from one location to another - Most animals have some form of locomotion. Locomotion can be difficult to study because some animals move very quickly Nervous and Locomotory Systems of the Earthworm - earthworms respond to light, touch, moisture, and chemicals - sense receptors are located under the skin - central nervous systems of the earthworm is a double spinal chord - nerve chord is conn ...
    Related: organism, solid waste, blood cells, global warming, circle
  • Over The Past Years Most Individuals Have Become Acutely Aware That The Intensity Of Human And Economic Development Enjoyed O - 2,024 words
    ... e of this relationship and the way it varies have yet to be determined; for now, change in solar irradiance, alias sunspots cycles, remain as enigmatic as ever." Tree ring data has also been helpful in the study of natural climatic change. In addition to the variables just noted, there are researchers who believe that the quantity and quality of solar radiation that reaches the earth is mainly affected by dust and sulphate aerosols, usually concomitant to volcanic eruption. "The dust scatters and partially reflects incoming solar radiation whereas the aerosols act as cloud-condensation nuclei. Both cause reduced temperatures for short-lived periods unless the volcanic eruptions are very ...
    Related: economic development, human beings, human existence, human impact, human life, intensity, past years
  • Ozone - 983 words
    Ozone annon Ozone is an important molecule in maintaining the homeostasis in the environment. Ozone, the molecule O3, makes a layer in the stratosphere, situated 10 to 15 kilometers from the earth's surface. The dioxide molecule, O2 and Oxygen atom O, collide with each other result in the formation of Ozone, O3. In this reaction, the molecule O3 contains an excess of energy. Once the molecule is formed, it is not stable enough to last long. The energy-rich O3 molecules discards the excess energy by colliding with another atom or molecule and transferring the energy in the form of heat. In the results of the decomposition of ozone into O2 and O in the ozone layer, solar radiation is absorbed. ...
    Related: ozone, ozone depletion, ozone hole, ozone layer, immune system
  • Ozone Depletion Is An Environmental Problem That Many People Do Not Take As Seriously As They Should The Ozone Layer Prot - 1,074 words
    Ozone depletion is an environmental problem that many people do not take as seriously as they should. "The ozone layer protects animal and plant life from the sun's harmful radiation. The depletion of the ozone layer will allow ultraviolet rays to, over time, lead to higher skin cancer rates, eye cataracts, and crop damage." At ground level, ozone, a form of oxygen, is poisonous to humans and other organisms. It causes respiratory problems and damages plants. The greatest concentration of ozone is located in a layer of air called the stratosphere, some 10 to 30 miles above the Earth's surface. About 90% of the Earth's protective ozone layer resides in this level. "The molecule, ozone, is pro ...
    Related: depletion, environmental, environmental problem, environmental protection, environmental protection agency, layer, ozone
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