Nwhat ways does the danube river both unite and divide the countries in eastern europe

1. crust 1 the metallic layer at the earth's center 2. inner core 3 the firm layer between the crust and the asthenosphere 3. lower mantle 2 the layer surrounding the inner core 4. asthenosphere 4 the semi-solid layer between the top layer and the upper mantle 5. upper mantle 5 the layer between the asthenosphere and lower mantle 6. top layer 6 the earth's outermost layer 7. outer core 7 the hottest part of the mantle

During which era in earth's history were the first insects? mesozoic precambrian cenozoic paleozoic

What factors of japan’s geography make it necessary for it to import so many goods?