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Please see attached. answer questions in this file
“PCB in the Last Frontier: A Case Study on the Scientific Method” file.
Post: Post your answer to the following question.
- Come up with a hypothesis or “explanatory story” to answer the following question: Should PCB levels differ significantly in Alaskan lakes that are near each other and at the same altitude? (Keep in mind that a hypothesis is an educated guess, so it requires a reason why you think your answer is correct.)