I could be wrong here, but it seems to me that a common aspect amongst all languages is the tendency to raise the pitch of your voice slightly when asking a question. Especially at the end of a question sentence.
If I’m wrong about this raised pitch being common amongst all languages, at the very least do all languages change their tone slightly to indicate that a question is being asked?
I guess there needs to be some way to indicate what is and isn’t a question. Perhaps a higher pitched voice reflects uncertainty. Is this something deep rooted in humans, or just an arbitrary choice when language developed?
This clip has Arnold asking questions without the rising tone while the kids mostly use the rising tone.
“Who is my daddy and what does he do?” actually seems to drop a little bit.
I guess in this example, “who is your daddy?” Is the main question, which has a somewhat flat intonation, but contrasted to the emphasis in the second half of the sentence, it feels like a rise