Based of the map, you can infer that it's D because if you look the rivers are running through multiple countries and act as a border for the countries of Germany, Austria, Hungary, etc.
hopefully this helps
Answer:
True
Explanation:
However, there are regions of Nevada where volcanic activity can be found, and one of them is incredibly active...
Answer:
A
Explanation:
All answers are correct, we just have to look at which of them would've made the biggest impact. Which is why I think its a