_______ country is poised to become the second country in the world to land successfully on Mars ?

a) UAE
b) Japan
c) Turkey
d) China

The US and China’s space probes are scheduled to arrive at Mars in the next couple of days. Both China and US missions comprise a combination of orbiter and lander. If China is able to successfully land its mission on Mars, it will become the second country in the world to land successfully on the Red Planet after the United States, which has done it eight times.