Some scholars have proposed that play is connected with

The answer is metacommunication.  The explanation meta-conversation defines, for example, the situation, that two or more persons debate the way a certain conversation developed, especially how they preserved each other in that conversation. Meta firstly comes from the Greek language and means “higher” or “above”.

answer; i believe that the correct answers are ///train hospital staff on how to use new machinery and design an artificial lung that could be implanted in humans;

any school based questions?