QUESTION: Fix punctuation: By means of backing slides or backing paper the replicas are made thin and flat thus they can be mounted on slides using doublesided adhesive tape 1 specimen and 2 replica
ANS: By means of backing slides or backing paper the replicas are made thin and flat, thus they can be mounted on slides using double-sided adhesive tape. 1 specimen and 2 replica.

QUESTION: Fix punctuation: The basic commission rate for preferred partners is 8 To attain preferred status new partners must complete a minimum number of reservations at the nonpreferred commission rate 12 reservations 10 commission
ANS: The basic commission rate for preferred partners is 8%. To attain preferred status, new partners must complete a minimum number of reservations at the non-preferred commission rate: 12 reservations, 10% commission.

QUESTION: Fix punctuation: They were together for five and a half years before she moved to Sisimiut
ANS: They were together for five and a half years before she moved to Sisimiut.

QUESTION: Fix punctuation: The decision to marry someone from a different ethnic background wasnt a tough one for me I never sat down and wrote out a pros and cons list
ANS:
The decision to marry someone from a different ethnic background wasn't a tough one for me. I never sat down and wrote out a pros and cons list.