What is the largest number of binary codes used by Unicode to represent a character

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

Match the function to its purpose. fast worth 50pts.

List at least one thing to check for when you're checking the clarity and professionalism of a document.