What are Cyclones? Cyclones are large, low-pressure weather systems that can produce strong winds and heavy rain. They are typically...

What is Volcanism? Volcanism is the process by which magma, molten rock, and ash are erupted from a volcano. Magma is produced by the...

Introduction A volcano is a fissure in the crust of a planet or moon through which molten rock, hot gases, and other substances erupt....