Question: It contains a necessary but varying amount of sulphur used in the preservation
Please fix the punctuation.
Fixed: [It contains a necessary but varying amount of sulphur used in the preservation.]

Question: You can change the often formal atmosphere at meetings to an informal atmosphere simply by taking a break
Please fix the punctuation.
Fixed: [You can change the often formal atmosphere at meetings to an informal atmosphere, simply by taking a break.]

Question: We do our utmost to combat and prevent spreading of diseases
Please fix the punctuation.
Fixed: [We do our utmost to combat and prevent spreading of diseases.]

Question: Committing Ourselves to Victory October and the Feast of the Rosary
Please fix the punctuation.
Fixed:
[Committing Ourselves to Victory: October and the Feast of the Rosary]