QUESTION: Fix punctuation: Find junk files including orphaned application data from previously deleted installs notused language files and PPC binary components that can safely be deleted from Intel Macs
ANS: Find junk files, including orphaned application data from previously deleted installs, not-used language files and PPC binary components that can safely be deleted from Intel Macs

QUESTION: Fix punctuation: And I think that any child can understand this game
ANS: And I think that any child can understand this game.

QUESTION: Fix punctuation: overall length over 863 mm on request
ANS: overall length over 86.3 mm on request

QUESTION: Fix punctuation: The overall results of the survey revealed that people believe themselves to have a significant understanding of the theory of evolution and were generally supportive of it
ANS:
The overall results of the survey revealed that people believe themselves to have a significant understanding of the theory of evolution and were generally supportive of it.