[Video] Q40: No change or “weightlessness” or microgravity, similar to what is experienced, in space or “weightlessness” or, microgravity, similar to what is experienced in space or “weightlessness,” or microgravity similar to what is experienced in space,

Explanation for Question 40 From the Writing Section on the Official Sat Practice Test 8

So question 40 is a question about commas are sentence Rees 2 on the planes, assent, passengers feel twice Earth's gravitational pool, 3 but for a brief periods at the peak of trajectory, 4 weightlessness or microgravity, similar to what is experienced in space is achieved. 5 And so basically we need to know where are we going to put these 6 commas? And what we're doing is we're putting the combos around and a positive 7 phrase. And then a positive phrase is a phrase that is not 8 essential to the content of the sentence, 9 but just provide some more detail. And so we can ask ourselves what is 10 not essential, but it's describing more detail. 11 We can see that it's this part here, right? 12 Because this is just describing what weightlessness is. 13 And so that's why they have this comma here. But remember, 14 if we're going to do an, a positive phrase, we need two pieces of 15 punctuation, not just one, so a is wrong because it's a lacking half of 16 the punctuation. 17 But now the question is where do we put that other comma three? 18 We put it in the middle here and the end here. 19 And what we need to know is that when we have an, a positive 20 phrase, whatever we put the commas around, 21 we should be able to remove it from the sentence and it should make 22 sense. So let's look at B for example, 23 for B, I have this phrase in commas. 24 So if I remove that phrase, the sentence should still make sense as it 25 is with this, the sentence would read, 26 um, for brief per...