Imperialism in the nineteenth century was primarily focused around Africa, thus resulting in cultural diversity in the continent.
Answer:
Hotspots
Explanation:
I think that it is hotspots because hotspots are places with a lot of volcanoes and has nothing to do with earthquakes. I am sorry if it is wrong. Hope this answers your question.
Answer:
Province of the western United States highly porous scoria formed by volcanic eruptions.
Explanation:
Aquifer refers to the layer of water that is present inside the soil at a certain depth below rock layer. Rocks that are present in Volcano makes a good aquifer. Volcanic rocks are good aquifer because they are porous i. e. tiny holes are present between rocks through which water can pass through these rock layers and this water collect there and forms good aquifer.