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Word Count: 700
Planet Earth Fate of The Earth was a powerful informative and inspirationaldocumentary The narrator Richard Kiley progressed through many points about ourprecious earth including her beginnings her slow deterioration by man as well as otherfactors and theories as to her what could be her end The beginning images of earth approximately four million years ago can bedescribed a barren yet fertile land with the prospect for life to flourish Prehistoricvolcanoes exploded with gases and lava that created the crust of our land Eventuallythe gases cooled and it began to rain eventually forming the oceans that is the birthplaceof life Biologist Prof Deemer believes that seashores are the cradles of life that led tothe evolution of organisms on to the land In his experiment he placed lipid moleculesin a pool of water He observed that when lipids come into contact with water theiroutside walls harden and form mobile structures Found in Australia were rocks about abillion years older than previously believed 35 billion years In the rocks were foundmicron-sized films and tiny bacteria whose ancestors are alive today In coastal watersare mushroom shaped structures that were created by photosynthetic blue-green algaecommunities that also converted carbon dioxide molecules to oxygen Oxygen being theAtmospheric chemist Jim Lovelock proposes the Gaya theory which states thatearth herself is maintained by life Supporting evidence for this is that when daisies arein bloom the earths temperature cools preventing the earth from heating up andbecoming a barren land like it once used to be The rain forests in South America are of great importance They hold 40 of allliving organisms But at the killing rate of 3000 acres per hour they will soon vanish The land is stripped of its gems and used to graze cattle and other animals for ourever-growing hungry species But after five years of use grass can no longer growbecause of the lack of soil nutrients and the land goes to waste The rain forest itself isan ingenious creature
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