What is the difference between an array and a standard variable? Provide the code to access the value of the fourth element in the project Team array, and explain how you determined the index value....

What is the difference between an array and a standard variable? Provide the code to access the value of the fourth element in the project Team array, and explain how you determined the index value. Explain what causes an infinite loop, and what you can to do ensure that your programs do not contain infinite loops.