Answer:
Black Sea and Caspian Sea
it seperates those ones
The answer is b. a common currency
hope this helps ! :D
Answer:
d. lava flows volcanic mudslides called lahars
Explanation:
Mudflows of volcanic eruptions are the most dangerous, and are called lahars. A lahar is a type of mudflow or debris flow composed of a slurry of pyroclastic material, rocky debris, and water.
I think it would have to be B. Sublimation