Please capitalize where necessary: apply policies to your users
A: Apply policies to your users

Please capitalize where necessary: this learning object can be used by students (12 - 20 years old) as well as by anyone who is interested to find out more on the decision-making process in the european union. read more
A: This learning object can be used by students (12 - 20 years old) as well as by anyone who is interested to find out more on the decision-making process in the European Union. Read more

Please capitalize where necessary: visible light ranges from about 390 to 790 nm, frequence (from 3.91014 hz to 7.91014) hz. under some conditions there also possible take place total reflection.
A: Visible light ranges from about 390 to 790 nm, frequence (from 3.91014 Hz to 7.91014) Hz. Under some conditions there also possible take place total reflection.

Please capitalize where necessary: keep up the foundations of pdf that can download on this link and participate.
A:
Keep up the foundations of PDF that can download on this link and participate.