'Investigation of' or 'Investigation into'?

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Music by Eric Matyas
https://www.soundimage.org
Track title: Melt

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Chapters
00:00 'Investigation Of' Or 'Investigation Into'?
00:36 Accepted Answer Score 6
01:07 Answer 2 Score 4
01:44 Answer 3 Score 3
02:21 Answer 4 Score 1
02:50 Answer 5 Score 0
03:37 Thank you

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Tags
#wordchoice #prepositions

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