Detailed explanation and options for the selected question.
Who was the first man to step on the Moon?
A.
Buzz Aldrin
B.
Michael Collins
C.
Yuri Gagarin
D.
Neil Armstrong
Explanation:
Neil Armstrong was the first person to walk on the Moon during Apollo 11 in 1969. Aldrin was second, Collins stayed in orbit, Gagarin was the first human in space.