H% is manifested phonetically as a very sharp rising pitch movement at the end of the phrase, often attaining a very high frequency in the speaker's range.
It is found at the end of yes-no questions.
Example: Yes-no question
¿Tienes frío?
[Are you cold?]
Example: Yes-no question
¿Le dieron el número de vuelo?
[Was he given the flight number?]
Example: Confirmatory yes-no question
¿Es María quien viene?
[Is it María who is coming?]
