Please capitalize where necessary: link no longer working? maybe it's still somewhere else on youtube. [ back up]
A: Link no longer working? Maybe it's still somewhere else on YouTube. [ back up]
Q: cleaning properties affect life-span and economy.

A: Cleaning properties affect life-span and economy.
Q: this allows the intelligence of windows to decide the correct software application to open your hbci file.
A: This allows the intelligence of Windows to decide the correct software application to open your HBCI file.
Problem: during his adventures, goku has changed. at first it was just a tiny baby to...
Can you repeat this sentence, but capitalize it?
Answer: During his adventures, Goku has changed. At first it was just a tiny baby to...
Text: when we drink tea, our body is presented to alkylamine.

Correct capitalization: When we drink tea, our body is presented to alkylamine.
Please capitalize where necessary: there are also wheelchairs at all airports available for use between check-in and boarding the aircraft.
A:
There are also wheelchairs at all airports available for use between check-in and boarding the aircraft.