| 51. |
The study of day-to-day variations in weather called is called |
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| 52. |
The south temperature zone is a region lying between |
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| 53. |
The type of soil needed for rice is |
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| 54. |
The tide produced when the moon and the sun are at right angles to the earth, thus pulling in opposite directions, is called |
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| 55. |
The soils whose parent material tend to be rich in sand are |
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