Statistics for Connected by Bridge/Tunnel or Not?

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Question	Answer	% Correct
Øresund: Zealand (Denmark) to the Swedish mainland	Yes	96%
Strait of Bali: Bali to Java (Indonesia)	No	88%
Strait of Gibraltar: Spain to Morocco	No	88%
The English Channel: Great Britain to the French mainland	Yes	88%
Strait of Messina: Sicily to the Italian mainland	No	85%
Cook Strait: the North Island to the South Island (New Zealand)	No	85%
Bahrain to the Saudi Arabian mainland	Yes	85%
Bosporus: the Çatalya peninsula to the Kocaeli peninsula (Turkey)	Yes	85%
The Solent: Isle of Wight to Great Britain	No	77%
The Amazon	No	73%
Strait of Kerch: the Crimea (Ukraine, occupied by Russia) to the Taman peninsula (Russia)	Yes	65%
Kanmon Straits: Kyushu to Honshu (Japan)	Yes	58%
Dardanelles: the Gallipoli peninsula to the Troad peninsula (Turkey)	Yes	54%
Vancouver Island to the Canadian mainland	No	50%
Tsugaru Strait: Hokkaido to Honshu (Japan)	No	46%