Title: Catalan language.
Question: How old are most of the native language speakers in northern Catalonia?

Title: Myanmar.
Question: Customarily where is the expected place in the lives of the people for the home of monks in Burma ?

Title: Light-emitting diode.
Question: In what year was the patent filed for the Semiconductor Radiant Diode?

Title: Catalan language.
Question:
Over what does the AVL make rules governing?