Q. As of November 2021, which countries have successfully landed a robot on the surface of Mars?
(A) China and United States
(B) Russia and United States
(C) China and Russia
(D) France and Germany
The answer is: (A) China and United States
Q. As of November 2021, which countries have successfully landed a robot on the surface of Mars?
(A) China and United States
(B) Russia and United States
(C) China and Russia
(D) France and Germany
The answer is: (A) China and United States