Please capitalize where necessary: this correspondence points up the significance of the time-spent probability density function to mechanics.
A: This correspondence points up the significance of the time-spent probability density function to mechanics.

Q: if you know the name of wrong dll like win32ui.dll, choose free download--saving money.

A: If you know the name of wrong DLL like win32ui.dll, choose Free download--saving money.

Q: 1- upper respiratory infection (specially with periorbital cellulitis)
A: 1- Upper respiratory infection (specially with periorbital cellulitis)

Problem: 1879 knut pedersen leaves b,vesteralen. k. zahl on kjerringy helps financially and knut moves to hardanger to become an author.
Can you repeat this sentence, but capitalize it?
Answer: 1879 Knut Pedersen leaves B,Vesteralen. K. Zahl on Kjerringy helps financially and Knut moves to Hardanger to become an author.

Text: swelling deeper in the skin that may accompany hives is called angioedema.

Correct capitalization: Swelling deeper in the skin that may accompany hives is called angioedema.

Q: yet god's birthright promises were of a national and material nature no spiritual salvation.
A:
Yet God's birthright PROMISES were of a national and material nature no spiritual salvation.