Nomore fat cowboys drinking
I believe the answer is: A. appreciate; depreciate
The only assets that tend to always appreciate in value over time are only lands, building, and precious metal. Cars tend to depreciate over time because not only the function would deteriorate, newer version of the cars tend to provide better technology which attract more consumers.
If you take a look at a map with latitude and longitude included on the map you find that the point 15 degrees south and 45 degrees west is located in Brazil. Brazil is a country located in South America, therefore, this point falls within South America.
The answer would be C, when there is not enough of something to go around.