Buatlah sebuat Tets Report

A volcano is a mountain that opens downward to a pool of molten rock below the surface of the earth. the volcanic eruption begins with the activity at plate boundary of the earth that sustains a significant change in pressure and temperature.Materials issued by the Volcano are lava, gas, and pyroclastic materials,  solid debris erupted by volcanoes. mount karakatau in 1883 sprayed pyroclastic to the stratosphere and the ash was carried by the wind until it became the celibate earth in parallel to the equator. at Mount Merapi in the eruption it raises hot clouds and ash rain.

moga membantu ya :)