General Knowledge Quiz for Saturday, 4 May 2013
A new general knowledge quiz is available every day. Try today's quiz or work through our archive of daily and themed quizzes.
Question 1: What was the Mars rover, Curiosity, investigating in its first ever drilling operation in 2013?
A
B
Chemical composition of the soil
Shiny pebbles embedded in sandstone
C
Evidence of microbial life
D
What look like water-created minerals