how can you turn on a light switch and it not work, without turning off the power to the whole house?

The most complicated four letter word

Alex’s family members live in different parts of the world. they would like to discuss the wedding plans of one of their distant relatives. however, alex wants all the family members to talk to each other simultaneously so that they can make decisions quickly. which mode of internet communication should they use? a. blog b. email c. wiki d. message board e. instant messaging

Three out of five seniors remain undecided about a college major at the end of their senior year.