Deltas, because volcanoes are a build up of composites, glaciers are from ice melting and leaving behind composites. Deltas are when composites are washed away until there is a whole or trench.
Answer:
These are the maps of rivers in Europe. Give me Brainiliest
Answer:
230?
Explanation:
From what I found, the answer is 231, I'm assuming that the 231 in the question was a typo...