Which is an example of informal language?

.Responses
.discovering
.finding out
.getting into
.being interested in

.getting into

An example of informal language from the given responses is "getting into."

To determine this, you can look for clues in the language choice. In informal contexts, people tend to use more casual and colloquial expressions. "Getting into" is a more relaxed and conversational way to express an interest in something, compared to the other options which sound more formal.