QUESTION: Fix punctuation: When it comes to an eternal life after death it will not be important whether you have had a long education or not but whether you have believed in Jesus or not
ANS: When it comes to an eternal life after death, it will not be important whether you have had a long education or not, but whether you have believed in Jesus or not.

QUESTION: Fix punctuation: Newton is referring directly to that the black crow black scoria and 2 purgations purifications with potassium nitrate may take 34 purgations will develop a silvershining largely serrated star
ANS: Newton is referring directly to that "the black crow" (black scoria) and 2 purgations (purifications) with potassium nitrate (may take 3-4 purgations) will develop a silver-shining largely serrated star.

QUESTION: Fix punctuation: The bag has 1st normal size front pocket with zipper and 2 x side pockets with elastic straps perfect for adding water bottles
ANS: The bag has 1st normal size front pocket with zipper and 2 x side pockets with elastic straps, perfect for adding water bottles.

QUESTION: Fix punctuation: A sufficient and regular supply of calcium to the body from childhood on can ensure the targeted prevention of the longterm effects of a calcium undersupply such as bone degeneration
ANS:
A sufficient and regular supply of calcium to the body from childhood on can ensure the targeted prevention of the long-term effects of a calcium undersupply, such as bone degeneration.