QUESTION: Fix punctuation: 15 And they shall know that I am the LORD when I shall scatter them among the nations and disperse them in the countries
ANS: 15 And they shall know that I am the LORD, when I shall scatter them among the nations, and disperse them in the countries.

QUESTION: Fix punctuation: If you want to know in advance what turns me off cockness
ANS: If you want to know in advance what turns me off: cockness

QUESTION: Fix punctuation: The limited turn radius and safe seat adjustable in height complete the safety set of the tricycle
ANS: The limited turn radius and safe seat adjustable in height complete the safety set of the tricycle.

QUESTION: Fix punctuation: Check out three short documentaries about the skateparks in Bangalore La Paz and Johannesburg
ANS:
Check out three short documentaries about the skateparks in Bangalore, La Paz and Johannesburg