Volcanoes
Understand the Problem
The question is about volcanoes, which refers to geological formations where molten rock, ash, and gases can escape from beneath the Earth's crust. Points of interest could include their formation, types, and impact on the environment.
Answer
Volcanoes are openings where lava and steam erupt, creating much of Earth’s surface; they are categorized as active, dormant, or extinct.
Volcanoes are openings or vents on Earth’s surface where lava, tephra, and steam are expelled. They have created over 80% of Earth’s surface, and are classified as active, dormant, or extinct based on their eruption history.
Answer for screen readers
Volcanoes are openings or vents on Earth’s surface where lava, tephra, and steam are expelled. They have created over 80% of Earth’s surface, and are classified as active, dormant, or extinct based on their eruption history.
More Information
Volcanoes play a crucial role in shaping Earth’s geological features and atmosphere. They are essential for the cycling of gases and nutrients, and contribute to the formation of new land.
Sources
- About Volcanoes | U.S. Geological Survey - USGS.gov - usgs.gov
- Volcano - Wikipedia - en.wikipedia.org
- Volcano facts and information - National Geographic - nationalgeographic.com
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