Question : When a volcano erupts on Earth, the erupted material is typically a liquid rock known as ____.
Option 1: plasma
Option 2: lava
Option 3: hailstone
Option 4: mercury
Correct Answer: lava
Solution : The correct option is lava .
Lava is molten rock that emerges during a volcanic eruption and flows on the Earth's surface. Lava is composed of molten rock, minerals, gases, and other volatile substances. Lava flows can be destructive to landscapes and infrastructure, but they typically move at relatively slow speeds, allowing people to evacuate.
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