B. Humans were able to settle down and live in one place. No longer having to hunt seasonal and migrating prey, humans could focus on building communities but still relied on trade for supplies that were difficult to find or non native to their areas.
<span>Landslides occur when masses of rock, earth, or debris move down a slope. Debris flows, also known as mudslides, are a common type of fast-moving landslide that tends to flow in channels.</span>
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 :)
I think it would be hanging valley.