[Video] Q3: No change or can pollute waterway s, or could have polluted waterways, or has polluted waterway’s,

Explanation for Question 3 From the Writing Section on the Official Sat Practice Test 1

Now question number three says if it is improperly introduced into the environment, 2 acid way, runoff can pollute waterways, 3 the pleading oxygen content of streams and rivers and decomposes, 4 right? So our question here is whether or not we want this comma, 5 oops, whether or not we want this comma right at the end and 6 whether or not we want to put an apostrophe on waterways and some of 7 the word choice at the beginning of south, 8 we will look at all of our answer choices. We noticed that all of 9 them have a comma after waterways. 10 And so this is good, right? Because we see that the next word after 11 is depleting, which is an ING verb. 12 And so you can use a comma if you're separating two clauses. 13 And one of the clauses depends with or begins with an ING verb. 14 So now we need to think about first, do we want an apostrophe on 15 waterways? 16 Right? And so we have to ask ourselves, 17 is this possessive, right? Because the apostrophes shows possession. 18 And that would mean that the waterways own, 19 whatever we talk about next, right? 20 So we can complete can, can pollute waterways, 21 the pleading, the oxygen content. So if we put an apostrophe here, 22 it's like saying that the depleting oxygen content belongs to the waterway 23 and we know that's not true because this is an explanation of what happens 24 when you pollute, right. It doesn't belong to the waterways. 25 And so any answer choice here that has an apostrophe should go 26 because there's no po...