QUES: and Shelah lived after he became the father of Eber four hundred three years and became the father of sons and daughters

correct the punctuation.

CORRECTED: and Shelah lived after he became the father of Eber four hundred three years, and became the father of sons and daughters.

QUES: The Bible was for several thousand years and still is the worlds most widespread and wellknown book and still for innumerable people it is the most significant and important book

correct the punctuation.

CORRECTED: The Bible was for several thousand years, and still is, the world's most widespread and well-known book - and still, for innumerable people it is the most significant and important book.

QUES: The main reason is gravity

correct the punctuation.

CORRECTED:
The main reason is gravity.