QUESTION: Fix punctuation: Fluorite octaederar 750 grams
ANS: Fluorite octaederar. 750 grams.

QUESTION: Fix punctuation: We learn that the truth about UFOs is held in secret Roswell really happened
ANS: We learn that the truth about UFOs is held in secret. Roswell really happened.

QUESTION: Fix punctuation: Be mindful so as not to crash every time you do your wellbeing exhausts and when its completely lessened you need to replay the level
ANS: Be mindful so as not to crash; every time you do your wellbeing exhausts and when it's completely lessened you need to replay the level.

QUESTION: Fix punctuation: MDS is a very complex disease
ANS:
"MDS is a very complex disease