Listener No. 4844 S And T By Aedites
Crosswords3 mins ago
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For more on marking an answer as the "Best Answer", please visit our FAQ.Strictly speaking, a report is always commissioned - someone asks you specifically to undertake an investigation, and the report is the document you present back to them containing your findings.
A paper is not commissioned, it's just something you write because you decide to. e.g you may write a paper called 'the effects of ovaltine on pregnant anteaters' and present it to new scientist in the hope it will be published.