Please capitalize where necessary: metabolism can be understood as your body's mechanism to convert food consumed by you into energy.
A: Metabolism can be understood as your body's mechanism to convert food consumed by you into energy.

Q: editing of files has improved as well. previously, you could open files in a shared folder only by selecting a different installed application on the device to edit it.

A: Editing of files has improved as well. Previously, you could open files in a shared folder only by selecting a different installed application on the device to edit it.

Q: the height of the tide is the difference between low tide and high tide.
A: The height of the tide is the difference between low tide and high tide.

Problem: language learning software, audio cds, books and more!
Can you repeat this sentence, but capitalize it?
Answer: Language learning software, audio CDs, books and more!

Text: excellent non-stop flights from zurich are also, geneva and vienna by el al offers.

Correct capitalization: Excellent non-stop flights from Zurich are also, Geneva and Vienna by EL AL offers.

Q: we sell these q20 while in stock.

A:
We sell these Q20 while in stock.