Las cadenas alimentarias son extremadamente frágiles
In translation, this means it is a mystery why the natives of Costa Rica carved drawings on stone spheres. So I really have no clue what you are asking
Answer:
"usted" is the more formal way to speak to an adult or someone older than you in Spanish while "tu" can be used when you're speaking to someone like a friend and that you have a chill and laid back connection with.
Explanation:
Was This supposed to be a question ...?
