QUES: However events of the time were to create a strong impression on the young Thomson which greatly affected his outlook on life

correct the punctuation.

CORRECTED: However events of the time were to create a strong impression on the young Thomson which greatly affected his outlook on life.

QUES: Of his books we still have copies of Liber abaci 1202 Practica geometriae 1220 Flos 1225 and Liber quadratorum

correct the punctuation.

CORRECTED: Of his books we still have copies of Liber abaci (1202), Practica geometriae (1220), Flos (1225), and Liber quadratorum.

QUES: Theres always a chance of ordering the wrong product by mistake for example in the wrong size or color You can return these products as follows

correct the punctuation.

CORRECTED:
There's always a chance of ordering the wrong product by mistake, for example in the wrong size or color. You can return these products as follows: