Question 1
Which happened earlier?
A
First Moon landing
✓ Earlier
B
Korean Air Lines Flight 007 shot down
First Moon landing (20 July 1969)
came before
Korean Air Lines Flight 007 shot down (1 September 1983)
Question 2
Which happened earlier?
A
First Apple computer released
✓ Earlier
B
First SMS text message sent
First Apple computer released (11 April 1976)
came before
First SMS text message sent (3 December 1992)
Question 3
Which happened earlier?
A
Black Monday stock market crash
✓ Earlier
B
Higgs boson discovery announced
Black Monday stock market crash (19 October 1987)
came before
Higgs boson discovery announced (4 July 2012)