the atmoshpere is the air and the hydrosphere is where our water is. which is what we need in order to survive.
Answer:
hexagons
Explanation:
Cross sections perpendicular to the base and through the vertex will be triangles. You could also take a slice parallel to the base. Cross sections parallel to the base will be hexagons.
The Danube, which is the second-longest river in Europe. The Loire, which flows through France and splits the country midway. The Elbe, which flows through Germany and the Czech Republic and links popular destinations. The Rhine, which streams 766 miles to the Netherlands and ends in the North Sea. The Volga, which is the longest river in Europe.