Please capitalize where necessary: temperature and humidity are the foundation of indoor air quality (iaq).
A: Temperature and humidity are the foundation of indoor air quality (IAQ).

Q: when loki lost, he saved his life by saying that brokk could take his head but not any of his neck.

A: When Loki lost, he saved his life by saying that Brokk could take his head but not any of his neck.

Q: your many contributions in 2014 was a success, and we would like to continue this success, that just makes such a big difference to many poor families.
A: Your many contributions in 2014 was a success, and we would like to continue this success, that just makes such a big difference to many poor families.

Problem: the flagship is the voting chart, the chartbase top-100 where there is room for all the greatest hits and - those great hits from all over the world - you just don't know yet!
Can you repeat this sentence, but capitalize it?
Answer: The flagship is the voting chart, The ChartBase Top-100 where there is room for all the greatest hits AND - those great hits from all over the world - you just don't know yet!

Text: take e.g. 2 tablets at breakfast and 4 tablets at supper.

Correct capitalization: Take e.g. 2 tablets at breakfast and 4 tablets at supper.

Please capitalize where necessary: 13 for whosoever shall call upon the name of the lord shall be saved.
A:
13 For whosoever shall call upon the name of the Lord shall be saved.