Which of the following is important when using technology? a) governance b) credentialing c) ethical conduct d) preparation

What is force? what are the types of force ? explain all with suitable examples

How can i clip a picture to a question on the computer?

Description: write function lastfirst() that takes one argument—a list of strings of the format "lastname, firstname" —and returns a list consisting of two lists: (a) a list of all the last names (b) a list of all the first names