QUESTION: Fix punctuation: Heaven or someone who thinks well of you may send you an opportunity but you will have to work hard to turn that opportunity into real rewards
ANS: Heaven - or someone who thinks well of you - may send you an opportunity, but you will have to work hard to turn that opportunity into real rewards.

QUESTION: Fix punctuation: Noni due to nutritional value and has many beneficial effects has a positive influence on higher than most fruits Subst minerals in Noni Na K Fe Mn Mg contributes to the completion of the daily intake of vitamins and minerals necessary for the body
ANS: Noni due to nutritional value and has many beneficial effects, has a positive influence on higher than most fruits. Subst. minerals in Noni (Na, K, Fe, Mn, Mg) contributes to the completion of the daily intake of vitamins and minerals necessary for the body.

QUESTION: Fix punctuation: Even as one part of the body cares for the other body parts the stomach digests food for the body the brain directs the body for the good of the whole the hands work for the sake of the body etc so each partner in the marriage is to care for the other
ANS: Even as one part of the body cares for the other body parts (the stomach digests food for the body, the brain directs the body for the good of the whole, the hands work for the sake of the body, etc.), so each partner in the marriage is to care for the other.

QUESTION: Fix punctuation: The heightadjustable prop provides additional stability
ANS:
The height-adjustable prop provides additional stability.