Answer:
All the resources like oil, timber, diamonds are coal are important to economies of many countries in Siberian Russia, Central Asia, and the Caucasus region.
Step-by-step explanation:
- Oil is found in abundance in the Central Asian country of Azerbaijan.
- The timber industry fetches around 20 billion dollars for the Russian economy annually.
- One of the world's major diamond mines is located in Siberian Russia.
- The coal industry is dominant in Georgia, which forms a part of the Caucasus region.