Which strait separates Sicily from mainland Italy?

What canal connects the North Sea to the Baltic Sea? Which strait separates Umboi Island from New Britain in Papua New Guinea? Which strait separates the continents of Europe and Asia? Which strait separates the continents of Europe and Africa? What canal connects Lake Michigan to the Mississippi River? Which canal is located in the Isthmus of Corinth, Greece? Which canal is located in the state of New York, USA? What strait separates the islands of Java and Bali?