Pls help pi need it by tomorrow using croatin and serian as an example, explain the difference between language and dialect?

the different between language and dialect is that lenguague is written as well as spoken, while a dialect is just spoken until it is promoted to the elite status usually for political purposes.

the answer that is more accurate is:   el profesor nos enseñamos bien.

the answer is b. dilapidated house. i'm also guessing i a little late seeing as though this was asked in 2017 and we are about to go into