floods a computer with requests until it shuts down and refuses to answer any requests for information.

How many pairs of chromosomes do human body cells contain?

List the five on-board vehicle subsystems

Apython programming question: assume s is a string of lower case characters. write a program that prints the number of times the string 'bob' occurs in s. for example, if s = 'azcbobobegghakl', then your program should print number of times bob occurs is: 2