What is the term for an electronic document on the web that can contain text, graphics, animation, audio (sound), and video?

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

1. for which of the following are you not required to signal beforehand? a. changing lanes b. speeding up c. stopping

Answer these and get 40 points and brainliest