THE FOOD IN DIFFERENT CULTURES

One thing that's diference the world`s cultures is the food.

(como dirías esto en español?)

I would say,

One thing that differs around the world is the food.

or

One thing that's different in world cultures is the food.

All continents, countries, áareas of the planet have their own typical food.

(continents, countries, areas of the planets===>this is redundant)

better, 

Every country in the world has their own typical food.

Each zone uses different foods, spices or diferents cooking methods.

The italian typical food is pizza but is famous for the pasta too, the first is cooked into the oven, the pizza is baked during 20 minuts and ready to serve, the second, the pasta is cooked in many different ways, boiled and serve with sauce, baked with bechamel (milk sauce) etc ...

(tienes muchas run on sentences en este párrafo. He escrito tus ideas en una manera más simple:

* The typical Italian food is pizza, but Italy is also famous for pasta.

* Pizza is baked in an oven for about 20 minutes and then it is ready to be served.

* Pasta is cooked in different ways: boiled and served with sauce, baked with bechamel (milk sauce), etc,.

http://www.myenglishteacher.net/runonsentences.html

The typical mexican typical food is very spicy and the main ingredient is the Chile, the chile which is in all foods:, tacos, tamales, enchiladas, etc... but other ingredient very important is the corn. ===> Another very important ingredient is corn.

The Spanish omelette, cooking is cooked with sliced potatoes and with whisked eggs. or Paella that is a dish of steamed rice with meat, sliced peppers and a few some seafood such as prawns or mussels.

Paella is a steamed rice dish with meat, sliced pepper, and some seafood such as prawns or mussels.

The typical Arabic food is a mixed of mediterranean and indus Indian ingredients, it is very spicye food.,

The typical Arabic food is a mix of mediterranean and Indian ingredients and it is very spicy.

It is famous for kibbes (meat with wheat), falafel or vegetable soup.

With the time the food changes but the influenced of one zone with others.

Tu oración se traduce a:

Con el tiempo la comida cambia pero la influenciada de una zona con otras.

Creo que quieres decir:

With time food changes with the influence from other zones.

Con el tiempo la comida cambia con la influencia de otras zonas.

Te recomiendo hacer un repaso de cuando se usa y no se usa el artículo determinado (the).

http://www.curso-ingles.com/aprender/cursos/nivel-basico/the-articles/the-definite-article