Which three paragraphs in this excerpt from the article “the melting arctic” from the european environmental agency rely on expert opinion to support the organization’s point of view

2. "There is substantial uncertainty"

3. Vaughn continued

5. According to

Explanation:

An expert opinion is when someone who's knowledge and reputation in a given field makes a comment on the subject matter.  For example, a doctor is an expert in medicine and when he comments something medical, we can trust he knows what he's talking about.  But what about when this same doctor comments about advanced computer programming techniques?   He might not be an obvious expert.

So, the 3 paragraphs that rely on expert opinion are easily spotted by quotes from experts:

2. "There is substantial uncertainty"

3. Vaughn continued

5. According to

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atmospheres is the answer to your question.

explanation: