33. According to the article, a sarsen could weigh how much?
(A) 38 tons
(B) 48 tons
(C) 58 tons d. 68 tons

29. What did Ernest Shackleton inspire Professor Nancy Koen to do? (A) go on an exploratory mission herself (B) author a best-selling book (C) educate students with an account of his journey d. found a high-tech business

30. According to the information in paragraph 5, what is the most essential measure of a success by most explorers? (A) wealth (B) survival (C) fame d. knowledge 

31. The new study described in this article suggests which sequence of events for the building of Stonehenge? (A) The bluestones were arranged in the horseshoe configuration and then accented with the larger stones. (B) Ancient peoples first arranged the small bluestone configuration and later ringed it with large, imported granite slabs. (C) The sandstone horseshoe was developed first, thousands of years ago, and the smaller bluestones were imported later from Wales. d. All the stones were brought in at the same time and slowly arranged over centuries.

32. Which type of methodology does the new study rely on to discern Stonehenge's timeline? (A) Mineralogy (B) Statistical analysis (C) Carbon dating d. DNA analysis

34. Until the study that is discussed in the article, what was the accepted sequence of Stonehenge's construction? (A) Bluestone horseshoe, then sandstone oval (B) Bluestone diamond, then sandstone square (C) Bluestone square, then sandstone circle d. Bluestone oval, then sandstone horseshoe

35. None of the following were known artifacts in constructing the new Stonehenge timeline EXCEPT (A) Arrowheads of the nearby civilizations (B) Skeletons of ancient peoples (C) An antler bone wedged between stones d. Stone eroded clearly enough to be dated

36. It is agreed between old and new studies that Stonehenge was first used by civilizations? (A) 5,000 years ago (B) 6,000 years ago (C) 7,000 years ago d. 8,000 years ago

37. The later bluestones, believed to be imported from Wales, (A) were originally arranged to outline the horseshoe shape of the sandstone boulders. (B) were arranged over the course of a millennium. (C) were actually recovered from local quarries. d. were settled in their pattern within a year.

38. According to Darvill, what effect did the bluestones have upon Stonehenge (A) They allowed the dimensions of Stonehenge to be more aesthetically pleasing. (B) They provided an added complexity to the structure by using foreign material. (C) They represented strong cultural ties with the Welsh culture. d. They were symbols of conquest of foreign lands.

39. According to Daville, what is the most important piece of knowledge obtained from this new timeline? (A) That sandstone and bluestone were both native to the region. (B) That Stonehenge became the model for future Scottish architecture. (C) That the original peoples who built Stonehenge were wealthy enough to acquire rare stones. d. That the original builders of Stonehenge were different types of animal herders.