Explanation:

Kiel canal- connects north sea to Baltic sea.

• The Panama Canal is a man-made waterway that connects the Atlantic and Pacific Oceans across the Isthmus of Panama. 
• The Suez Canal is a man-made waterway that connects the Mediterranean Sea to the Red Sea in Egypt. 
• Kiel Canal, important waterway in northern Germany, extending eastward for 98 km (61 miles) to connect the North Sea and the Baltic Sea.
• The Erie Canal connects the Hudson River in Albany, New York to Lake Erie in Buffalo, New York.