Seriously?
What is the main food and drink where you live?
There are a number of identifying flavors, the Middle East has spices and Arabic bread (pita, lavash, etc), Europe has herbs and baguettes, Mexico has the colors of it's flag. Red, white, and green, tomato, cilantro--jalapeno-- tomatillo, and onion. And yes of course, tortillas.
The drink-- coca cola, or pepsi, depending on which soda plant is nearest whatever city you're in. Or maybe it's whatever fruit is in season, blended and mixed with water and sugar.
haiti's main food is fofo and salt fish
The main reason is that shop owners don't want people spilling food and drink on their merchandise.
Construction, food and beverages and manufacturing.
You will find food and drink to buy your monster at the Grossery on Main Street.
Mexico Mexico
The legal age to drink in Mexico is 18 years old.
many fish died and the water became toxic to drink as well as the food in it
Your question is an oxymoron. If it is national, it cannot be of central Mexico but from all of Mexico, right?Mexico has the tequila as national, alcoholic drink; there are regional drinks such as tepache from central Mexico, aguardiente from the Gulf Coast or mezcal from southern Mexico.Also, Mexico 'invented' chocolate (Aztec: xocolatl, Mayan: chocolha) so you can consider such drink as the non-alcoholic national drink of Mexico.
The main function of the digestive system is to get the food and water you drink through your body.
i am not sure about eating a drink, but I know that you can drink food if grind it up and make it a food slushy
The digestive system breaks down food and drink into usable nutrients for the body.
no Mexico doesn't have food stamps