Answer:• Mediterranean,• marine west coast
Explanation: Because the Most of Western Europe has an Oceanic climate, in the Köppen climate classification, featuring cool to warm summers and cool winters with frequent overcast skies. Southern Europe has a distinctively Mediterranean climate, which features warm to hot, dry summers and cool to mild winters and frequent sunny skies.
The only disadvantage I could think of would be price of equipment needed to produce energy from the source (i.e. price of solar panels)
C. Japan only uses renewable energy sources.