1. First, was teacher. Then, was teacher

When recursive formula can be used to determine the total amount of money earned in any year based on the amount earned in the previous years?

Our environments can change human behavior. describe some ways that environment changes the choices we make. what does the connection between humans and environment have to do with the study of geography?

Which schedule of reinforcement is followed by suri, who answers every text message and email message her boyfriend sends? fixed ratio fixed interval variable interval?