1. The high level of nuclear physics research made it possible for Russia to become the first country to start using atomic energy for peaceful purposes.
2. The economic development of the BAM zone a whole series of problems to be solved.
3. The construction of the Baikal-Amur railway allowed new towns, settlements and cultural centers to be built in Siberia.
4. It is necessary to have a force to cause electrons to move from their orbits.
5. It is important to find effective methods to make our star, the Sun, serve mankind.
6. The new railway lines will allow effective exploration of nature resources to be conducted in Siberia and Far East.