QUESTION: Fix punctuation: 280500 Alkali or alkalineearth metals rareearth metals scandium and yttrium whether or not int
ANS: 280500 Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not int

QUESTION: Fix punctuation: This years guest photographer
ANS: This year's guest photographer:

QUESTION: Fix punctuation: The company was founded in 1987 making us one of the pioneers in the industry
ANS: The company was founded in 1987, making us one of the pioneers in the industry.

QUESTION: Fix punctuation: So in case anything happens to your local program your passwords wont be lost
ANS:
So, in case anything happens to your local program, your passwords won't be lost.