When determining if an email is valid or not, you should…?

There are a lot of ways that you can do to determine if an email address is a valid one or a fake one. You can either send a message to the email address, search it on the internet, or check it on some email verification websites. However, one of the best ways that you can do is that you should check the location of the email address. By doing this method, you will be able to determine where it came from which will prove that it is a valid email address.

in terms of experimental research, mcdonald’s charging different prices in the two cities relates to

answer; break-even analysis;