QUES: She accepted a post as professor and chairman of Wheaton College in Norton Massachusetts

correct the punctuation.

CORRECTED: She accepted a post as professor and chairman of Wheaton College in Norton, Massachusetts.

QUES: Bend angle on the tail

correct the punctuation.

CORRECTED: Bend angle on the tail.

QUES: Time after time we have beaten him to the ears with evidence of the harmfulness of vaccinations

correct the punctuation.

CORRECTED:
Time after time we have beaten him to the ears with evidence of the harmfulness of vaccinations.