B. outer core
is correct, i took the test.
Answer:
There are 195 countries in the world comprises of 193 countries that are member states of the United Nations and 2 countries that are non-member observer states
Answer:
lik like like this on on ong
Explanation:
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.