| 17. |
The transverse, longitudinal and surface waves in an earthquake originate from |
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| 18. |
The uppermost epoch of the Neogene period is |
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| 19. |
The type of igneous rock that form from magma is a function of |
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| 20. |
The slow down slope movement of soil and sediment because of frost heaving and thawing is called |
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