A difference between schools in Nicaragua and Costa Rica is that in Nicaragua it is mandatory to go to school from age 6 to 12, while in Costa Rica you have to go to school from ages 3 to 15. From age 16-18 going to school is not mandatory in Costa Rica.
Answer:
El correo el postal siempre lleva lugar, fecha y firma del emisor a diferencia del correo electrónico. Los correos postales no son públicos.
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