| 61. | The process of destruction or dying of fronts is called | |||||||
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| 62. | The Palaeozoic era starts at ____ million years ago and ends at ____ million years ago. | |||||||
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| 63. | The reaction is carbonate and bicarbonate ions with mineral is called | |||||||
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| 65. | The process that may cause physical weathering or mechanical rupture are | |||||||
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| 66. | The process of particle detach ment by moving glacial ice is called | |||||||
Answer: Option A Explanation: No answer description available for this question. |