[Video] Q17: No change or soot or of which or delete the underlined portion.

Explanation for Question 17 From the Writing Section on the Official Sat Practice Test 1

So question number 17, we're looking at this sentence right here, 2 which says according to box, leading Greenland expert Tundra fires in 2012, 3 from as far away as north America produced great amounts of . 4 Some of it drifted over Greenland and giant plumes of smoke and then fell 5 as particles on the ice sheet. Right? So we have this comma here. 6 And so we have to think about what this comma means, 7 right? If we put that comma, then that might affect 8 what words go here. And so we can think some, 9 some of, some of it, some of which, 10 or delete the underlying portion. And so what is the difference between these? 11 Um, and so if we say some of it drifted over Greenland and giant 12 plumes, this is an independent clause, 13 right? Some of it drifted over Greenland where some of it is our subject 14 and drifted is our verb. 15 And what's up here as well is also an independent clause, 16 right? According to box, um, 17 fires from north America produce great amounts of SA where subject here is 18 actually going to be the fires and the verb is going to be produced. 19 So if we have two independent clauses and we know for a fact that 20 we're only allowed to separate our clauses with a comma, 21 then we now see an issue. Because as it's written, 22 I've separated two independent clauses with a comma I'm not allowed to do that. 23 That's called a comma splice. 24 And so that's why a is not right. 25 And so perhaps this is a question where you don't need to do the 26 grammar...