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Question
QuickView
Choices
Curve Question
Difficulty
Psg/Game/S
Difficulty
Explanation
PT84 S3 Q06
+LR
Strengthen +Streng
A
0%
146
B
6%
160
C
61%
163
D
29%
162
E
4%
153
127
152
176
+Medium 148.057 +SubsectionMedium

Strengthen

Pretty hard question.

Premises tell us that Shooter Island's waters are exceptionally still and that there are lots of juvenile birds gathered around its waters. There aren't very many juvenile birds in waters in neighboring islands. We have to catch on that we are not told WHY the juveniles are gathering in still waters/Shooter Island. It could be for any number of reasons. The conclusion says that it's because it's their nursery. Okay, that makes sense I guess baby birds like still waters. They're probably using it as a nursery and that's why there are so many juvenile birds there.

If you thought that, then you likely overlooked (C). (C) tells us that whenever possible, waterbirds use still water as nurseries. We think... don't we already know that? Nope, we don't. This is a really powerful assumption that if established, would do wonders for the argument.

(C) tells us waterbird's preference is to use still waters for nurseries whenever it's possible. The stimulus tells us that there are in fact an overabundance of juveniles in still waters. You put the two statements together and now we're pretty sure that they're actually there because they're using it as a nursery and not for some other reason. Our argument is made much better.

(D) is an attractive trap. It says that the waters around the other islands are MUCH rougher. This seems like new information but it hardly is. We already knew from the premises that Shooter Island water is EXCEPTIONALLY still. Not just kind of still. It's exceptionally still. So even if the neighboring waters are a little bit rough, they're MUCH rougher than exceptionally still.

But let's just say that the waters in the neighboring islands are truly objectively rough. Okay, we still don't know why juvenile birds are gathering in still waters/Shooter Island. Is it as the conclusion says that it's because this is their nursery? Maybe. Or maybe it's for some other reason. That means the argument was as strong/weak as it ever was. We didn't do our job of strengthening the argument.