This should read "Magma (not manga)causes powerful and explosive volcanic eruptions and it is the molten rock which in the case of volcanoes flows out on the surface as lava or expels pyroclastic fragments.
The best climate control elevation that clarifies the difference in vegetation and terrain between the two sides of the mountain - the basin floors beyond Leeward side.
The height determines the temperature of the area, which determines the vegetation. As more rainfall is recorded towards the wind, evergreen trees are also found there.
