I think the answer is B: sediments melt deep beneath the Earth's surface.
It is their name (Korea), their historical past and the Korean Demilitarized Zone.
I dont under stand please exsplain more
Some Challenges in the tropical rainforest is that Deforestation is common and its really bad because they're limiting the rainforest size just to build homes and towns. Basically, Just forgetting about the habitats and the animals and the other tribes.