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Weaken-CE. The correct answer choice is (B)
The stimulus describes a study done to establish the possible long-term effects of offshore oil rigs on the sea bottom life. Since there were no differences near the rigs vs sites several miles away, the researchers concluded that oil rigs do not harm the sea bottom animals:
- Cause Effect
Oil Rigs Harm Sea Bottom Animals
Answer choice (A): This answer gives us no information about whether any damage has actually occurred, and thus it is incorrect.
Answer choice (B) is the correct answer choice. This answer shows that the control sites a few miles away might not be affected by the oik rigs, but that other areas, further away, could well be showing damage. Since this answer would show damage and reinforce the idea that oil rigs could have caused it, it is correct.
Answer choice (C): The stimulus stated that there was no difference between the sites, and thus it does not apply to the control sites.
Answer choice (D): This answer gives us no information about whether any damage has actually occurred, and thus it is incorrect.
Answer choice (E): This answer gives us no information about whether any damage has actually occurred, and thus it is incorrect.
Note how many of the incorrect answers simply supply responses that discuss elements of the fish population or sea floor without actually giving any indication that something negative has occurred. These answer can all be eliminated relatively quickly.
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