What is Global Warming? Global Warming is defined as the increase of the average temperature on Earth. As the Earth is getting hotter‚ disasters like hurricanes‚ droughts and floods are getting more frequent. Over the last 100 years‚ the average temperature of the air near the Earth´s surface has risen a little less than 1° Celsius (0.74 ± 0.18°C‚ or 1.3 ± 0.32° Fahrenheit). Does not seem all that much? It is responsible for the conspicuous increase in storms‚ floods and raging forest fires we
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interaction is creating holes in the ozone‚ how we have created the enhanced greenhouse effect and contributing to global warming. The ozone is a thin layer of O3 that surrounds the earth and helps to regulate climate and temperature. Without the ozone there would be a lot more insolation and the earth would probably be too hot to populate. Chlorofluorocarbons or CFC’s were used in refrigerators‚ air conditioners‚ aerosol cans and have also been used in fire fighting. In
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We as human beings are very fortunate to be living on this planet that we call Earth. We toil over the land‚ and in return we receive provisions off of which we live. Even though we get all that we need from this bountiful land‚ we still for some reason feel like we need to alter it. In doing so we also end up ruining the land that we thrive on. We reshape the world to fit our individual needs‚ and the earth just doesn’t work that way. Everything on this planet has a purpose‚ from the largest animal
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SOLAR SYSTEM About 5 Billion years ago‚ y There was no Sun‚ no Earth& no Moon y Only cosmic dust and gasses drifted in the darkness of space SOLAR SYSTEM THEORY The solar system was formed by a slowly spinning cloud of gas and cosmic dust‚ gradually the cloud began to spin faster and faster this formed a large spinning whirl at the centre and smaller whirls surrounding it at various distances. SOLAR SYSTEM THEORY The huge and heavy centre became hot enough to start thermo nuclear
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in the past. Scottish geologist James Hutton’s observation is that the physical process occurring on Earth have not changed‚ but the physical conditions have. Murck‚ B. W.‚ Skinner‚ B. J.‚ Mackenzie‚ D.‚ & National Geographic Society (U.S.). (2008). Earth as a Planet. In Visualizing geology (p. 1.3 The Ever Changing Earth). Hoboken‚ NJ: Wiley. 4.) In this chapter‚ we have suggested that Earth is a close approximation of a natural closed system‚ and we have hinted at some of the ways that living
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about how human kind came to be on Earth. In the Judeo-Christian myth‚ God created the Earth first then he created water‚ the sun‚ and the plants and animals. Once everything was created‚ God said‚ “Let us make man in our image‚ after our likeness” (53). When God wanted something created it appeared; no growth or development was necessary. Man was placed on Earth from above. In the Native American creation myths it was not as simple for humankind to come to be on Earth. “They (humans) were living in
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Scientists believe that earth was hit by an asteroid that was over six miles wide‚ or that earth was hit by a comet travelling 18 miles per second. They contemplate that when the asteroid hit earth’s surface‚ a great amount of debris and sulfur rose into the air. They believe that this blocked the suns light from hitting the earth. In result‚ all the dinosaurs and 70 percent of all animals and plants died (“What Killed the Dinosaurs"). Scientists have backed up their theory that earth was hit by an asteroid
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Ecology 2:30-5:30 The Gaia Hypothesis A Goddess of the earth: "The Gaia hypothesis says that the temperature‚ oxidation state‚ acidity‚ and certain aspects of the rocks and waters are kept constant‚ and that this homeostasis is maintained by active feedback processes operated automatically and unconsciously by the biota." - James Lovelock‚ The Ages of Gaia It often seems obvious that life on earth lives at the mercy of powerful non-biological forces like
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of the universe and announce his discovery. Aristarchus‚ by observing the moon during a lunar eclipse‚ and estimating the angles between the Earth‚ Moon and Sun‚ as well as the size of the earth‚ was also one of the first astronomers to calculate the relative sizes of the Sun‚ Moon and Earth. Other astronomers before Aristarchus assumed that the Earth is a sphere and that it moves‚ but he was the first to explicitly formulate the heliocentric theory‚ the model which has the Sun in the centre
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been blamed for causing global warming. Global warming‚ however‚ can be caused by natural effects. One reason is that the earth is constantly going through periods of warming and cooling. Second the two most abundant greenhouse gases water vapor‚ and carbon dioxide both occur naturally. Third the earth is not the only planet that has had a change in temperature over the past few years‚ other planets have also had changing
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