Meaning of Global Warning A gradual increase in the overall temperature of the earth’s atmosphere generally attributed to the greenhouse effect caused by increased levels of carbon dioxide‚ CFCs‚ and other pollutants. Climate change is any substantial change in Earth’s climate that lasts for an extended period of time. Global warming refers to climate change that causes an increase in the average temperature of the lower atmosphere. Global warming can have many different causes‚ but it is most
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explore the putative hyperdiversity of tropical leaf endophytes‚ we compared endophyte communities along a broad latitudinal gradient from the Canadian arctic to the lowland tropical forest of central Panama. Here‚ we use molecular sequence data from 1403 endophyte strains to show that endophytes increase in incidence‚ diversity‚ and host breadth from arctic to tropical sites. Endophyte communities from higher latitudes are characterized by relatively few species from many different classes of Ascomycota
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Brandy Ricker WR122 Global Warming…Fact or Fiction? One of the largest current debates in the world is whether or not global warming is being caused by unnatural interference to the environment or is it a part of the Earth’s natural cycle of climate patterns. It is glaringly obvious that the world as a whole should agree on some drastic changes to improve our environmental situation immediately. ProCon.org states that the US National Academies of Science‚ the National Aeronautics and Space
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regions‚ E‚T‚P‚A. E stands for equatorial like the equator‚ the conditions are warm. T stands for tropical and its origins are the tropics so this is warm as well. P is for polar where the conditions can be quite cold and lastly is A which stands for Arctic air and is really
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either continental or maritime. Continental is on land and maritime is on water. Maritime occurs in a moist climate‚ and continental appears in a drier area. The air masses get defined even further; they are then stamped with a Polar‚ Tropical or Arctic title on front. Continental Polar (CP) air masses form over Canada and Siberia.
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INTRODUCTION Plate tectonics The large scale motions of the earth’s lithosphere are describe by a scientific theory called plate tectonics which explains that Earth’s outer layer is made up of plates‚ which have moved throughout Earth’s history. The theory was developed during first decade of 20th century (by a famous advocate Alfred Wegener) on the older concept of continental drift and was accepted by many geoscientific communities. There are currently seven major and many minor plates are
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Biomes and their Characteristics There are nine biomes in the world they are: Mountains- Very cold lack of oxygen when altitude is higher and there are alot of glaziers Tundra- It is very cold not much diversity and there are two types of tundra. Arctic and Alpine. Temperate Forest- There are wide leaves and non-seasonal vegetation and mixed forests. Marine Island- Islands are cold at night and usually has good surf. Marine ecosystems has no oxygen and full of life. Desert- Barely any plants in
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never seen before; our polar bears live in the arctic where they rely on the cold Canadian weather to survive. As a result of our selfish and careless behavior polar bears have nowhere to go because the icecaps that they live on are melting and they are drowning given that they are forced to swim longer to find more icecaps that have not already melted and by that time they either die of starvation or drown. Unless we put effort into saving our arctic bears we will kill an entire species because
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Issue 8 Should the Arctic National Wildlife Refuge be opened to Oil Drilling? Taking Sides: Environmental Issues by Thomas A. Easton Pgs. 134-151 Summary Yes: In his piece‚ Dwight R. Lee explains that with oil drilling the Arctic National Wildlife Refuge‚ there would be many benefits as compared to the cost. He doesn’t deny that there would be risks associated with the drilling. However‚ he feels that they do not begin to compare to the benefits. He explains that the main reason that
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A lot of beluga whales swim in extreme cold water. Normally they are found in Arctic and Subarctic regions. You can find beluga whales on shores of Russia‚ Greenland‚ Canada‚ Norway‚ and the United states [Alaska]. Also they have so much blubber that it allows them to swim in the extreme cold waters. Did you know that beluga whales
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