which sentence uses formal language
The wheel wasn't invented until 3500 B.C
The wheel was likely invented during the bronze age
It seems weird that people used to live in caves
I was blown away by the book I just read
The sentence that uses formal language is "The wheel wasn't invented until 3500 B.C."
To identify the sentence that uses formal language, you can look for characteristics such as the use of proper grammar, complete sentences, and avoiding slang or informal expressions. In this case, the sentence uses proper grammar, complete sentence structure, and avoids informal expressions or slang. The use of "wasn't" and "until" are indications of formal language.