C: the italian peninsula
see this map:
Volcanoes are formed when magma from within the Earth's upper mantle works its way to the surface. At the surface, it erupts to form lava flows and ash deposits. Over time as the volcano continues to erupt, it will get bigger and bigger.
Like Canada and America, many factors have an effect on climates,
If it's not heat or wind from the sea from other countries, then it's probably the evaporation of sea water that increases the humidity in the climates of Latin America
Hope this helps you!