Question: It is equally 100 natural and safe for use
Please fix the punctuation.
Fixed: [It is equally 100% natural and safe for use.]

Question: I wanted to send you an email to tell you how much I thank you Now I can tell with pride that I am a nonsmoker
Please fix the punctuation.
Fixed: [I wanted to send you an email to tell you how much I thank you! Now, I can tell with pride that I am a non-smoker.]

Question: When you are trying the software an important thing to keep in mind is how you like the software interface
Please fix the punctuation.
Fixed: [When you are trying the software an important thing to keep in mind is how you like the software interface.]

Question: After returning you can make an order for diving for the next day
Please fix the punctuation.
Fixed:
[After returning you can make an order for diving for the next day.]