Which of the following is the ONE most important thing to be done before working on any electrical device? a Remove each source of electricity b Ground yourself c Shut Down d Turn it off

Which location-sharing service offers items for users as a gaming component and also allows them to collectively link their check-ins to publish a trip? a. whrrl b. buzzd c. foursquare (this option is wrong i already tried) d. gowalla for plato