Hieroglyphs, petroglyphs (pictures carved into rocks), and cuneiform (a writing system using hashmarks on clay tablets) were all early forms of written communication. All of them were precursors to alphabets, which use letters to represent sounds. Grunts are an early (and present-day) form of communication, but they aren't written.
It suggests children are very curious, as well they are very smart and always think of other ways to do things
Answer:
1
Explanation:
because you are telling people that you are very proud of yourself for taking those classes.
