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Volcanoes

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Questions and Answers

What is the main characteristic of a volcano?

It always forms a perfect cone-shaped hill.

It can only be formed from the accumulation of pre-existing materials.

It is exclusively a crater with no gaseous emissions.

It is a structure from which molten or hot rocks are ejected. (correct)

Which of the following are features formed by volcanic activity?

Deserts and plateaus

Valleys and lakes

Oceans and rivers

Mountains and craters (correct)

What processes can lead to the formation of a volcano?

Erosion of nearby land by wind

Sedimentation of river materials

Accumulation of ejected materials or removal of pre-existing materials (correct)

Plate tectonic shifts causing no eruptions

What differentiates a volcano from other geological features?

<p>It involves emission of gases and molten rocks. (C)</p> Signup and view all the answers

Which of the following is NOT a component of volcanoes?

<p>Caverns (D)</p> Signup and view all the answers

Flashcards

Volcano

A vent, hill or mountain from which molten or hot rocks with gaseous material have been ejected.

Lava

Molten rock that erupts from a volcano.

Volcanic Crater

A crater-like depression at the top of a volcano.

Volcanic Eruption

Material ejected from a volcano, including ash, rocks, and gases.

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Volcanic Zone

The area around a volcano that has been affected by volcanic activity.

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Study Notes

Volcanoes

A volcano is a vent, hill, or mountain where molten or hot rocks and gaseous materials are released.
Volcanoes can also create craters, depressions, and hills.
Mountains can form due to the removal of pre-existing material or by the accumulation of ejected materials.

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Description

Explore the fascinating world of volcanoes, including how they form and the geological processes involved in their activity. This quiz will cover various aspects of volcanic eruptions, structures, and their impact on the landscape. Test your knowledge of these powerful natural phenomena!