单词：silt soil
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AZUZ: A week ago, we told you about the major 7.8 magnitude earthquake that struck the South Pacific nation of New Zealand. At least two people were killed, thousands were stranded. A wave of aftershocks followed. And as New Zealand is a mountainous
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Manfred Bietak was interested in the role played by the Nile in ancient times when he stumbled upon the strange truth about Piramesse. He was trying to trace the lost river beds and waterways of the Nile in order to map out what the Delta would have
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Did you ever hear the saying, its easier to get the Mississippi to change its course than get a stubborn child to change his mind? I guess whoever made this one up didnt know that the Mississippi actually does change its course about every thousand y
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Mars Rover to Begin Taking Soil Samples This Week Jessica Berman NASA engineers say the Mars rover will begin taking its first soil samples as soon as it departs the landing platform . Engineers say t
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