[Video] Q25: No change or supercomputers to or supercomputers, and to or supercomputers or to

Explanation for Question 25 From the Writing Section on the 2019 October Sat

So question number 25 is a punctuation question. 2 And so the best way to go about this question is going to be 3 process of elimination. So let's start with how it's written. 4 We have a period here as it's written. And so that means that the 5 sentence that I've highlighted in purple and also the sentence that I've highlighted in 6 green, both have to be complete sentences, 7 right? Independent clauses that can stand on their own. 8 Now the purple sentence says these spectra are then modeled and analyze all NASA 9 supercomputers. That's true. That's a complete, 10 uh, complete sentence, right? The spectra. 11 And then the verb is our, and then our green, 12 uh, sentence says to provide insight into the processes and shapes that heat the 13 atmosphere. Now, this is not a complete sentence, 14 right? Because we don't have a subject. 15 It just says to provide, um, insight. 16 We also kind of don't have a verb, right? 17 What is being done to provide the insight? 18 What is providing the insight and how does it do that? 19 So there's definitely information missing in the green sense. 20 So that means it can't stand alone with just the period as we see 21 in answer choice a so we can eliminate a, 22 now we'll come back to B since that's correcting the correct answer. 23 But, uh, the reason the answer choice C is going to be wrong is 24 for the same reason, right? If you're using a comma and that's a comma 25 and a coordinating conjunction, which is only used to separate two ind...