Add spaces: Cameron:"hugedebt,inviewofyearsofsacrifice""

Answer: Cameron: "huge debt, in view of years of sacrifice" "

Add spaces: Inthisway,hepavedthewayforagradualandrelativelypeacefulintroductionofevolutionarytheoriesattheZoologicalDepartmentoftheUniversityofCopenhagen.

Answer: In this way, he paved the way for a gradual and relatively peaceful introduction of evolutionary theories at the Zoological Department of the University of Copenhagen.

Add spaces: *SomeOHPfileextensionformatscanbeopenedinbinaryformatonly.

Answer:
* Some OHP file extension formats can be opened in binary format only.