Question 1
What does R2-D2 do that causes Luke to chase him across the Tatooine desert?
- AR2 malfunctions and rolls away
- BR2 chases a hologram signal
- CR2 runs away to find Obi-Wan Kenobi to complete his missionCorrect
- DR2 gets stolen by Sand People
R2-D2 slips away from the Lars homestead during the night to find Obi-Wan Kenobi and deliver Leia's message, forcing Luke to chase after him the next morning.
As seen in: A New Hope(Film)
Wookieepedia: A New Hope