Question

why are there so many languages in the world ? why don't the world adapt a single language​

Answer 1

Explanation:

there is one universal language English

Answer 2

Answer:

We know that people communicate more than ideas with their language. Subconsciously, they also communicate who they are, what they believe, and where they're from. ... In other words, the world doesn't really want a universal language. Humans aspire to have their own distinct identities and form different groups.