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Types of Volcanoes by Activity Level

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Questions and Answers

What type of lava is associated with effusive or non-explosive eruptions?

Granitic lava

Runny, low viscosity lava (correct)

Thick, viscous lava

Pyroclastic material

What is the typical height of a cinder cone volcano?

Both a and b (correct)

Up to 1312 feet

Up to 3000 meters

Up to 400 meters

Which type of volcano is considered the most explosive and dangerous?

Shield volcanoes

Composite volcanoes (correct)

Effusive volcanoes

Cinder cone volcanoes

What is the main difference between effusive and explosive eruptions?

Effusive eruptions allow lava to flow down the sides, while explosive eruptions blow the top off Signup and view all the answers

What is the main feature that distinguishes cinder cone volcanoes from composite volcanoes?

Cinder cone volcanoes are made of pyroclastic materials, while composite volcanoes are made of lava flows Signup and view all the answers

What is the typical composition of the lava found in composite volcanoes?

Granitic lava with high silica content Signup and view all the answers

Which type of volcano is expected to erupt again in the near future?

Active volcanoes Signup and view all the answers

What is a volcanic neck?

The solid remains of magma that filled the conduit of an extinct volcano Signup and view all the answers

Which of the following is an example of a dormant volcano?

Mount Fuji Signup and view all the answers

What is the primary characteristic of a shield volcano?

Broad and gently sloping sides Signup and view all the answers

Which type of volcano is at the end of its life and can no longer erupt?

Extinct volcano Signup and view all the answers

What is the typical diameter of the base of a shield volcano?

More than 100 km Signup and view all the answers