question: visible light ranges from about 390 to 790 nm, frequence (from 3.9×1014 hz to 7.9×1014) hz. under some conditions there also possible take place total reflection.
Capitalize this past sentence correctly.
A: Visible light ranges from about 390 to 790 nm, frequence (from 3.9×1014 Hz to 7.9×1014) Hz. Under some conditions there also possible take place total reflection.

question: individuals with surname lawrence
Capitalize this past sentence correctly.
A: Individuals with surname LAWRENCE

question: therefore you need to check the changed identity manually and correct the fields that were lost.
Capitalize this past sentence correctly.
A: Therefore you need to check the changed Identity manually and correct the fields that were lost.