Forestry and mining are not industries that are based on importing good. So A is not the answer are not both Agricultural, so b is not the answer are industries that exist in the west. so d is not the answer
The only answer that makes sense is C. Industries in the west based on available natural resources.
Superposition is the geologic principle which explains why the bottom stratum in a section of rock is the oldest. The word literally means placing one thing on top of another where the lower strata are the older.
