2. Describe the purpose of the return statement in a function Returns the value programmed in the function to the call enter the function. 3. Explane why some functions do not need parameters 1. I can use global variables in functions without passinging through as perameter. 2. Functions can perform takes that do NOT returning data 4. Explane why some functions do not have a return statement. because the program might do somthing that doesnt requier returning data. 5. Explane the difference between passing a parameter to a function by value versus by reference By value is the value itself. In this method them function creates a new local variable and begins to work with that. By reference