What strait separates the islands of New Guinea and Australia?

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? Which canal connects the Baltic Sea to the White Sea? Which strait connects the Black Sea to the Sea of Marmara? Which canal connects the Atlantic Ocean to the Pacific Ocean across the Isthmus of Panama? Which strait connects the Sea of Marmara to the Aegean Sea? What is the name of the strait separating the islands of New Zealand?