Add spaces: ageofyoungestperson(88)

Answer: age of youngest person (88)

Add spaces: OnlythosewhohavebeenproperlybaptizedintoChrist,afterknowingthetruth,areinthisposition,anditisamockeryoftheemblemstosharethemwithanyoneapartfromsuch.

Answer: Only those who have been properly baptized into Christ, after knowing the truth, are in this position, and it is a mockery of the emblems to share them with anyone apart from such.

Add spaces: ThetownandtheportofVislieonthenortherncoastoftheislandwithmanycliffs,ofwhichGradacCliffismostimpressive(100m).

Answer:
The town and the port of Vis lie on the northern coast of the island with many cliffs, of which Gradac Cliff is most impressive (100 m).