Explanation for Question 47 From the Reading Section on the 2019 April Sat
For 47 based on passage to Meltzer and his team relied on what evidence 2 to challenge the younger Dryas impact hypothesis. 3 So let's go to passage two and see what evidence they use. 4 If we go towards the middle ish and ish of passage to 5 here, it starts talking now comes what some 6 researchers consider the strongest attack on the younger Dryas impact hypothesis. 7 So if we read a little bit further, 8 the team argues that when the quality and accuracy of the dating, 9 which was based on radiocarbon and other techniques is examined closely only three 10 of the 29 sites actually fall within the timeframe of the younger dries onset 11 about 12,800 years ago. 12 The rest were probably either earlier or later by hundreds and in one case 13 thousands of years. So their main argument is that the dates don't line 14 up. Now, if we look at our answer choices, 15 the correct answer would be a re-evaluation 16 of the dates assigned to the sites, thought to display signs of the proposed 17 impact was the evidence that they relied on to challenge 18 the theory. So now, 19 if we look at 48, which choice best provides the best, 20 which choice provides the best evidence for the answer. 21 If we look at what lines we used, 22 the main thing was this section here, 23 which goes from lines 62 to 69. 24 So if we look at our answer choices here, 25 48 is going to be deep.