Question 1
Which happened earlier?
A
Germany invades Poland
✓ Earlier
B
Hiroshima atomic bombing
Germany invades Poland (1 September 1939)
came before
Hiroshima atomic bombing (6 August 1945)
Question 3
Which happened earlier?
A
The Lion the Witch and the Wardrobe published
✓ Earlier
B
DNA double helix structure published
The Lion the Witch and the Wardrobe published (16 October 1950)
came before
DNA double helix structure published (25 April 1953)