Answer:
I would say B: Calderas.
Explanation:
Calderas are depressions in the earth that have been made after a volcano erupts and then collapses. While Mountains could be an answer but Calderas makes more sence
A and E are the correct answers. Bulgaria and Albania are by Macedonia, meaning its by the old Yugoslavia, witch also means its more south of Europe. Croatia is part of what was Yugoslavia, making it too far south.
A comet<span> is an icy small Solar System body that, when passing close to the Sun, warms and begins to evolve gasses, a process called outgassing. This produces a visible atmosphere or coma, and sometimes also a tail.</span>
The correct answer to this question is: colonization.
Iran is the only country that I found that wasn’t Arab. Sorry...