Explanation for Question 48 From the Reading Section on the 2019 October Sat
Question 48 says which choice provides the best evidence for the answer to the 2 previous question. And we determined in an earlier video that the correct answer to 3 question 47 is going to be answered choice D that 4 the passage best supports the statement about lignin that says, 5 and it's unnatural state that breaks too easily to be used in high-performance thermoplastics. 6 So let's look at the lines of evidence given to us as answer choices 7 in question 48 and see which one best supports this idea. 8 So we're looking for two components here. 9 We're looking for the unaltered state of lignin, 10 and we're looking for it breaking too easily. 11 So if you scroll back up to the passage here, 12 we can start the answer choice, a lines 37 through 40. 13 It says, looking in is a very brittle natural polymer. 14 So it needs to be tough and explain study author, 15 a Mitt Nasker leader of the O R N L S carbon and composites 16 group. 17 So this gives us both elements that we're looking for pretty effectively actually. 18 So it says very brittle. So that goes along with breaks easily, 19 and we have natural, which goes along with the lignin being in its unaltered 20 state. So here answer choice is already looking like a pretty good answer, 21 but let's look at B, C and D just to be sure. 22 Ooh, you summed in here. So answer choice B says we need to chemically 23 combine that soft matter with lignin answer choice B is going to be incorrect. 24 There is an answer choice in 47 abo...