Why is the Aegean sea difficult to navigate through?

What are all the roller coasters in Busch Gardens in Tampa? Which is not a way North Americans use their decidious forest land? Is a waterfall part of a deciduous forest? Was the Erie canal man made? What river flows through central Africa? What body of water separates europe and africa? What is the terrain like in the Nile River Delta region? How does barrier reef form? Did the first athenians lived in the acropolis? How much profit does River Island make? What continent is north of the Mediterranean sea? Folklorist Charles seeger said that traditional music was like a flowing stream what did he mean? What does evergreen deciduous forest mean? Where does water of Portugal come from? Is superior or Erie bigger? What is the name of a frozen river on a mountain? How far was the quarry for the great pyramid? How long does it take to build a colossus? What is the river closest to mission san Luis obispo de tolosa? What is the dead load and a live load and a dynamic load of an arch bridge?