QUES: This notion belongs to a past era and its dichotomy has been recognized for a long time it has on account of a seemingly optimistic but fundamentally false image of human nature as action and reaction produced those deadly ideologies leading to the catastrophes of the twentieth century

correct the punctuation.

CORRECTED: This notion belongs to a past era, and its dichotomy has been recognized for a long time; it has, on account of a seemingly optimistic but fundamentally false image of human nature, as action and reaction produced those deadly ideologies leading to the catastrophes of the twentieth century.

QUES: In this disease red blood cells fail to divide and become abnormally large

correct the punctuation.

CORRECTED: In this disease, red blood cells fail to divide and become abnormally large.

QUES: Necklace creation made of Lapis lazuli on

correct the punctuation.

CORRECTED:
Necklace creation made of Lapis lazuli on...