The program development cycle is made up of steps that are repeated until no errors can be found in the program. Comments in a program are indicated using character or enclosed in quotes. A(n) is a diagram that graphically depicts the steps in a program. is an informal language programmers use to create a model of a program that has no syntax rules and is not meant to compile or execute. A(n) is a name that represents a value stored in the computer's memory. Question 14 4pts Which of the following are valid variable names? salesRecords 2Ages your weight _weight height\&width student_gpa csc120