Name three things mexican do to celebrate day of the dead

Bring food offerings to the dead, bring flowers to the dead, and go visit the dead family members.

Explanation:

They build altars where they give the dead  ofrendas such as there favorite foods and beverages, Visit the graves with the ofrendas and give gifts to the dead .

tradition connected with the holidays include honoring the deceased using ...calaveras and Aztec marigold flowers know as cempazuchitl , building home called ofrendas with the favourite food and beverage of the departed and visiting graves with these items as gifts for the deceased

in about winter like late november to january

an informal structure in a bureaucracy would be something like so-called "office politics". where there's a formal structure set up for the organization, but then an informal subculture as well that has a way of organizing the bureaucracy further. this can be positive because it sets up an added degree of organization, albeit informal, within the bureaucracy.