| 41. | In the polar regions, a different convention is used.
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| 42. | It actively pursues environmental protection of the polar regions.
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| 43. | Looming is most commonly seen in the polar regions.
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| 44. | As a family, skinks are boreal and polar regions.
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| 45. | No such trend has been found in polar regions.
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| 46. | During this journey the polar region impressed her greatly.
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| 47. | The species is widespread in the Eurasian polar region.
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| 48. | The northern polar region is heating up faster than are other areas of the planet.
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| 49. | This may be especially true in the polar regions.
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| 50. | Their polar region can be either ionic, or non-ionic.
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