QUES: In 1590 Harriot sent Dee a copy of one of his books in which he had written To my dear friend

correct the punctuation.

CORRECTED: In 1590 Harriot sent Dee a copy of one of his books in which he had written "To my dear friend".

QUES: There is nothing wrong with it especially when you have lots of more important things to do

correct the punctuation.

CORRECTED: There is nothing wrong with it especially when you have lots of more important things to do.

QUES: Fatigue loss of sexual desire frigidity oxygen deficiency vitamin A C E B6 deficiency deficiency of trace elements tin iodine selenium as a antiaging remedy

correct the punctuation.

CORRECTED:
Fatigue, loss of sexual desire, frigidity, oxygen deficiency, vitamin (A, C, E, B6) deficiency, deficiency of trace elements (tin, iodine, selenium); as a anti-aging remedy ...