QUESTION: Fix punctuation: A selective outmigration of males from Hong Kong has affected the malefemale ratio of the current adult population of Hong Kong resulting in there being more females than males in the 15 to 65 year old group as well as the 65 years of age and over group
ANS: A selective out-migration of males from Hong Kong has affected the male/female ratio of the current adult population of Hong Kong resulting in there being more females than males in the 15 to 65 year old group as well as the 65 years of age and over group.

QUESTION: Fix punctuation: The growing area of the Elbe is one of the smallest in Germany and the northeastern Europe A bite to eat in cozy wine bars happiness in the autumn wine festivals visits to over 20 vineyards the wine is just along the Saxon Wine Route everywhere and always the dominant factor
ANS: The growing area of the Elbe is one of the smallest in Germany and the north-eastern Europe. A bite to eat in cozy wine bars, happiness in the autumn wine festivals, visits to over 20 vineyards - the wine is just along the Saxon Wine Route everywhere and always the dominant factor.

QUESTION: Fix punctuation: In 1852 when only 37 years of age Ada died of cancer
ANS: In 1852, when only 37 years of age, Ada died of cancer.

QUESTION: Fix punctuation: In July 1664 he measured the period of rotation of Jupiter on its axis discovered the bands and spots on the planet and saw that the planet was flattened at its poles
ANS:
In July 1664 he measured the period of rotation of Jupiter on its axis, discovered the bands and spots on the planet, and saw that the planet was flattened at its poles.