Fishery officials are still considering options for eliminating Lake Davis's population of razor–toothed northern pik...

liwenong28 on September 27, 2020

Can someone please explain this question

I don't understand why is the right answer correct.

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shunhe on October 2, 2020

Hi @liwenong28,

Thanks for the question! Let’s take a look at the stimulus first. We’re told that some fishery officials are trying to get rid of some kind of pike in some lake. And they’ve decided to not drain the lake or introduce pike-specific diseases. 4 years ago, poison was added to get rid of the pike, but that made local residents mad because the water remained tainted for months and the tourism economy got worse.

So now we’re asked for something most strongly supported by the information in the stimulus. This is basically a must be true question. Take a look at (C), which tells us that the poison added to the lake four years ago wasn’t successful in ridding the lake of the pike. Well, that has to be true, right? If they stuck poison in the lake 4 years ago, and they’re still trying to get rid of the pike now, they didn’t get rid of the pike back then!

Hope this helps! Feel free to ask any other questions that you might have.

liwenong28 on October 10, 2020

Thank you for your explanation, this makes sense!