Explanation:
Tungurahua in Ecuador is nicknamed 'Throat of Fire' due to its frequent eruptions.

Explanation:
Lava tubes are tunnels formed when the surface of a lava flow solidifies while molten lava continues to flow beneath.

Explanation:
Mount Erebus in Antarctica is the southernmost active volcano on Earth.

Explanation:
Breccia is a coarse volcanic rock consisting of broken fragments cemented together during eruptions.

Explanation:
Volcanic ash consists of fine particles that can travel thousands of kilometers in the atmosphere, unlike heavier materials like bombs or lava.

Explanation:
The most abundant gas released during volcanic eruptions is water vapor, followed by carbon dioxide and sulfur dioxide.

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Cinder cone volcanoes are the smallest type, formed from explosive eruptions that build steep sides of ash and cinders.

Explanation:
The Ring of Fire surrounds the Pacific Ocean and is home to most of the world’s active volcanoes and earthquakes.

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The eruption of Krakatoa in 1883 created one of the loudest sounds ever recorded and caused tsunamis that killed thousands.

Explanation:
Rhyolitic lava has the highest silica content, making it thick and viscous compared to basaltic or andesitic lava.

Explanation:
Mount St. Helens is an active stratovolcano in Washington, USA, known for its catastrophic 1980 eruption.

Explanation:
Seismographs are used to detect volcanic tremors and earthquakes, which help in predicting eruptions.