Answer:
The Berlin tragedy is no longer a problem because the wall was taken down, and families were able to reunite and have their families together again.
Explanation:
#CarryOnLearning
<span>Erosion by rivers is a main valley-forming
process; other processes, such as movement of the earth's crust and
glaciers, also have an important part in some cases. The rate at which a
river deepens its valley depends on several factors.</span>
Latitude 60 north, longitude 90 east, I’m not too sure tho that’s just what I think :)
