<span>the answer is physical boundary</span>
The best answer to the question presented above would be the first statement. Stalactites are chemical sedimentary rocks that form when the minerals in the cave are left behind by the water. They saturate and form into these stalactites.
From 1922-1991, Russia would have been considered a autocratic state.
Hope of gaining a better standard of living
Due to the adverse conditions of poverty and unemployment in the rural areas, people migrate to urban areas. In urban areas they find increased employment opportunities and better living conditions.
more and better jobs
better hospitals and health care
better living standards
cities are social and financial centres
better education—schools and universities
