Volcanoes

Question 1

Which feature forms at a divergent boundary?

Revolt · Accepted Answer

rift valley

Question 2

Which phrase describes a lava plateau?

Revolt · Accepted Answer

volcanic material in valleys

Question 3

The image shows a volcano erupting at night in Russia.

Revolt · Accepted Answer

Volcano quietly erupts due to low-viscosity magma!

Question 4

The image shows Osorno in Chile, which last erupted in 1869.

Revolt · Accepted Answer

dormant volcano

Question 5

Earth’s surface is constantly changed by erosion and deposition. Erosion breaks down Earth’s surface by carrying materials away from an area. Deposition builds up Earth’s surface when these materials are deposited in an area over time.

Revolt · Accepted Answer

caldera

Question 6

Which statement describes convergent boundaries?

Revolt · Accepted Answer

Subduction occurs.

Question 7

Which phrase describes a volcano that is not expected to erupt again?

Revolt · Accepted Answer

extinct volcano

Question 8

Which statement explains what happens as magma rises inside a volcano?

Revolt · Accepted Answer

The magmatic pressure decreases.

Question 9

Mount St. Helens is a volcano that erupted with great force in 1980. Which phrase best describes this eruption?

Revolt · Accepted Answer

high-viscosity magma

Question 10

A volcano erupts, and lava flows down a mountainside. Which statement best describes this eruption?

Revolt · Accepted Answer

This is a quiet eruption caused by low-viscosity magma.

Volcanoes Answers

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