Madagascar is the 4th largest island in the world.
Answer: North Dakota
Explanation: The geographic center of North America is set near Rugby, North Dakota 48°10′N 100°10′W, though this has no official status.
Sorry, I won't understand the question what you asked now.
<span>C) ships could then take advantage of the currents to speed up travel </span>
The prime meridian is 0 degrees longitude. As you go east from the prime meridian, the longitude increases to 180 degrees. As you go west from the prime meridian longitude increases to 180 degrees.