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Ice Ages

Posted by Chris Shrestha

Ice Ages

To find out what the climate was long before mankind scientist started to collect the information from ice cores, tree rings and sea floor sediments and began to keep the records of the weather. This record revealed that the climate in the Earth before was unbalanced between much colder periods and much warmer ones.

Many years from today at the time when dinosaurs was predicted to live, the Earth was very warmer than it is today. Over time, the Earth gradually cooled down due to drifting of continents affected the way heat was stored in the atmosphere and in the oceans. From that time there has always been ice at the Northern and Southern areas, but the amount has grown and shrunk repeatedly, corresponding to colder and warmer climates. This such type of cold periods are known to be Ice Ages.

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