These four subsystems are called "spheres." Specifically, they are the "lithosphere" (land), "hydrosphere" (water), "biosphere" (living things), and "atmosphere" (air). Each of these four spheres can be further divided into sub-spheres
Cooled quickly, because lava cools and crystallizes rapidly
the economy of Japan is a highly developed and market-oriented economy. It is the third-largest in the world by nominal GDP and the fourth-largest by purchasing power parity (PPP). ... Due to a volatile currency exchange rate, Japan's GDP as measured in dollars fluctuates widely.
so the answer would be C. it is sa highly developed economy