please do Scheme language #3. Show/and document (explain) Factorial (n) using recursion a simple program to demonstrate the syntax and a third program that includes subprograms, recursion, and...

please do Scheme language

#3.  Show/and document (explain)

1. Factorial (n) using recursion


2. a simple program to demonstrate the syntax


3. and a third program that includes subprograms, recursion, and parameters to demonstrate program control, scoping and evaluation rules.