Explanation for Question 49 From the Reading Section on the 2017 May Sat
Question 49 says an idea central to both passage one and passage two is 2 what? So we're going to go through each of these answer choices, 3 talk about which passage they can be founded. 4 And then for the correct answer choice, we're going to look at the evidence 5 that we find for that one in both passages. 6 So what's there with answer choice D it says that essential 7 idea in both of the passages is that natural events such as fires and 8 hurricanes can have a devastating effect on plant life. 9 So answer choice D is really only going to be found in passage one. 10 You don't see any discussion of really hurricanes or fires in 11 passage to pass it, choose more, just an outline of certain research that's being 12 conducted. So answer choice D would be incorrect. 13 It's only found in a passage one, 14 if you look at answer choice C it says efforts to control the spread 15 of invasive plants in north America have been unsuccessful. 16 So answers we see is maybe the distractor answer here. 17 They don't. Neither of the passages really evaluate 18 the success of controlling plants in north America. 19 Passage. One does discuss the success of the species and its invasion, 20 but again, not like the success of controlling the spread. 21 So answer choice C would be incorrect. 22 If we look at B, it says a hypothesis should not be tested without 23 the proper use of experimental and control groups. 24 So with answer choice B, we see some mention of hypothesis in the 25 first pass...