I think that it would still just be an island. A peninsula is a landform surrounded by water that extends outward from the land. Imagine a green rectangle sticking out from the green oval you pictured. That rectangle would represent the peninsula. Therefore, dividing the island in half would not create any peninsulas. Hope this helps :)
<span>I found these studies about d</span>eforestation in 2009<span>, 2/3 of the world forests were in 3 top countries: 1) </span>Russia<span>, 2) </span>Brazil<span>, 3) </span>Canada
The development of the calander shows they can divde the number of minutes hours days month etc in a year. Development of the pyramids shows geometry and engineering. look up to make sure.
The answer is seafloor spreading