Small antennas on the spacecraft can beam weak radio signals back to earth meaning it can in some way communicate
Answer:
b. identifying the minerals within it
Supply and demand!
If you want a lot of something cause its in high demand.
Vilnus is the capital of Lithuania - a small country in Eastern Europe, on the Baltic Sea, which used to be one of the Soviet Republics before the split-up of the Soviet Union.
Despite being Lithuanian's biggest city, it has a big Polish population and it was once in Poland, not in Lithuania - which was a reason for a conflict between the two countries.