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31. Another idea was to allow the hot containers to melt gradually beneath the vast polar ice cap.

32. Most polar lakes are highly oligotrophic, with clear waters and a very limited range of species inhabiting them.

33. It is not easy to get the water from the polar regions to the equatorial base, where it is needed.

34. It takes one to the high, isolated polar desert at the height of the summer season.

35. For instance, one of the facts that the Bishop finds it difficult to understand is the white colour of polar bears.

36. There was extensive ground cover of polar willows, yellow and white whitlow-grass, scurvy grass and many others.

37. However, the life-cycle savings model is the polar opposite case from pure classical savings.

38. First of all, is it sensible to think of masculine/feminine as polar opposites?

39. The results were wholly unexpected: Mercury has small, reflective polar caps with the distinctive depolarization behavior of ice.

40. Many polar species have clearly originated in this way by adaptations of metabolism, form and lifestyle.

41. Further, no instruments capable of detecting ice deposits were placed in polar orbit about the Moon during the Apollo era.

42. The polar regions are particularly at risk because the chemical reaction that destroys ozone is helped by their weather conditions.

43. The pack ice and fast ice that spread over polar seas form vast sheets many hundreds of square kilometres in area.

44. In this respect he is the polar opposite of Harold Wilson, a dull speaker who taught himself to be funny.

45. Logistic considerations make the Moon a very attractive base of operations if ice is abundant in the lunar polar regions.

46. We treated ourselves to a reindeer steak, then went for a last walk over the bridge towards the polar Cathedral.

47. In mice, however, the first polar body may sometimes divide.

48. Take the example of a polar bear, which is equipped with a thick coat of white fur.

49. On the same day another polar bear was captured and removed from the Prudhoe Bay field.

49. Sentencedict.com try its best to collect and build good sentences.

50. From the concentrations of birds and mammals in high latitudes has grown the myth that all polar seas are immensely productive.

51. But, in most species that have been looked at, the first polar body does not divide further.

52. During local spring in the polar regions, polar ice and perpetual sunlight may both be available simultaneously!

53. A polar airstream has swept across the country on strong north-westerly winds.

54. The apparent simplicity of polar land ecosystems gives them a special value for modelling and quantitative studies.

55. The polar opposite images are not by some marketing design.

56. Eikmeyer's fundamental insight is that co-operation and non-co-operation are not simply polar opposites along a scale.

57. Until his polar opposite steps lightly down on to his moon-paved home ground, the sleek beast-headed man sits at peace, inviolable.

58. However, during the winters, the temperature in the north polar circle is warmer, because of the Gulf Stream.

59. Polar cold may be less constricting than other factors, for example aridity or intense seasonality, that characterize polar regions.

60. Carl thus became the first and possibly the only man ever to successfully lasso musk ox, polar bears, and walrus.