43 Results for Antarctica

National Geographic "Antarctica: Life at the Bottom of the World" p2 - 36Scientists has spent all or part of the current summer in the Taylor Valley. The study of algae and glaciers. They are tracing how the creatures that live in this environment adapt to each other and to the Antarctic's extre...
With greenhouse gas emissions and unsustainable human lifestyles raging out of control, there poses the major problem of global warming. Although some people believe this theory to be false, new research may change some minds as to the validity of this phenomenon. Research on Antarctica's glaci...
The ozone layer is an invisible layer in the stratosphere. It has always been needed by all life on earth, as it absorbs the ultra violet radiation (UV) from the sun. Recently a large hole has appeared in the ozone layer over the Antarctica, and a similar but smaller hole has been found over...
Most people know about the prehistoric land that scientists have named Pangaea, but few know what it looked like, was like, and how it separated over millions of years. The hypothesis is now widely accepted and may soon become scientific law. I will explain the plate tectonics theory, Pangaea's...
Ozone 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...
The polar ice caps are some of nature's most impressive features because, while they may seem like frozen chunks of ice, they are actually indicators of life on Earth. Maynard Miller maintains that polar ice caps can be defined as "domelike glacial masses, usually at high elevation" ...
Explorers Sir John Ross and Sir James Clark Ross Two notorious explorers from the 1800's are Sir John Ross and Sir James Clark Ross. These two explorers are known for their expeditions in the Arctic. Sir John Ross, a Scottish explorer, was born on June 24, 1777. He is rec...
Africa is a very deserted continent. It has mostly third-world countries and is very under-developed. Deserts cover a large area of the terrain. There are not many large cities and societies compared to other continents such as Europe and North America. Small tribes, however, are very common and fol...
The problem is global warming caused by a build-up of CO2 in the earth\'s atmosphere. I read this article on the envirolink website at http://envirolink.netforchange.com/. The author got their information from funding from NASA and the National Science Foundation, NCAR\'s primary sponsor. Also from ...
Ice caps melting, severe climate change, the sky is falling. Global warming is an interesting topic that many talk about, yet the concern people have over global warming revolves around greenhouse gasses causing catastrophic temperature increases which will melt the glaciers and raise sea levels. Ba...
Shackelton's Incredible Voyage was written by Alfred Lansing and is about a group of people who set out to sail across the Atlantic Ocean to Antarctica where they planned to cross the continent from east to west on foot. The expedition took place in 1915. Ernest Shackleton is the main character an...
THE LANDLORDS OF THE OCEAN Have you ever thought about the landlords of the oceans? There is a saying: "Big fish eats the smaller ones." The most powerful and deadly animals who taste the freedom of the sea world are whales. So many kinds of whales exist. One of the most interesting kinds is t...
#1.Cadmium#2.What is Cadmium?-Cadmium is a naturally occurring element in the earth's crust. Pure cadmium is a soft silver-white metal.-Cadmium is most off encountered in combination with other elements such as oxygen, chlorine, and sulfur.#3.How Does Cadmium affect us?-Lung damage-Kidney disease-H...
A worldview is very much what it sounds like it would be--a certain way of seeing the world. Worldviews can be grounded in a focus that is artistic, economic, political, and many others, but they are all essentially philosophical. For example, two prevalent worldviews in today's politics are...
France, being my pet nation, is located in Europe. The location of France is in Western Europe, bordering the Bay of Biscay and the English Channel, between Belgium and Spain, southeast to the United Kingdom, bordering the Mediterranean Sea, between Italy and Spain. The geographical terrain mostly c...
Plate Tectonics Plate Tectonics is theory of global tectonics that has served as the master key in modern geology for understanding the structure, history, and dynamics of the earth's crust. The theory is based on the observation that the earth's solid crust is broken up into a dozen semirigid ...
My Essay is on global warming. Because of pollution and getting rid of all the trees our ozone layer is getting thinner and thinner. Our ozone layer protects the Earth from ultra violet radiation and the thinner the ozone layer gets the more radiation comes through. Ever since three years ago at t...
Jesica Peratt 10 – 7 -99 Do Green Martians Really Exist? Do you ever wonder if there is life on other planets? I'm referring to little green bodies walking around with six eyes, two heads, and drool escalating from their mouths. As a child I use to lye in bed and imagine things like ...
Global warming, the increase in our earth's surface temperature, is often confused with the greenhouse effect. The greenhouse effect is what makes our planet suitable for life as we know it. It is a natural process that causes gases in the atmosphere to trap energy from the sun. This causes a r...
About 90% of the ozone is in stratosphere, a layer between approximately 10 and 50 kilometres above the earths surface. The remaining 10% of the ozone is in troposphere, which extends from the Earth's surface up to about 10 kilometres. Ultraviolet radiation is a part of the sun of wavelengths. UV...
We live our days on earth carefree and happy, but for some that life is taken away in a single look in the mirror, or a visit to the doctor. In that one instant, they find out that their life could be changed forever; some find out their life is closer to the end then they thought. Skin cancer can b...
Global Warming Human kind has entered a brand new relationship with the earth. The constant and increasing pressures we are exerting threaten our planets ability to sustain life itself. Change-in the way we think, and in the way we live-is needed now. Global warming is the most urgent environment...
Have We Entered the Third Event? Climate change and sea level change followed by a catastrophic event, this is the lethal pattern that Peter Ward has observed taking place during to the first two mass extinctions in the earth's history. It is the fact that Ward has observed this pattern in the ev...
Society has been widely addressed with the many problems that we arehaving in our environment today. A major problem is that of CFCs. CFCstands for Chlorofluorocarbons which are found in many of the aerosol spraycans. In December of 1973, Rowland and Molina discovered that CFCs candestroy the ozo...
GEOLOGICAL HISTORY OF NEW ZEALAND The New Zealand landmass, (which includes the north island, the south island, and the other outer lying islands) is part of a larger submerged micro-continent that was initially formed on the eastern boundary of the Gondwanaland super-continent. New Zealand sepa...