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Volcanoes

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Veronica Wilkinson

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โˆ™ 2021-09-30 20:41:54
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Cards in this guide (20)
The focus of an earthquake is

along the fault

Why can crevasses in glaciers only be 50 meters deep

Plastic flow occurs below that depth.

Why do shield volcanoes have weak eruptions

They feature magma with very low viscosity

Why does karst topography only exist in some geographic locations

most regions do not have limestone under the soil

Most regions have rock layers other than limestone

Why do earthquakes often happen near subduction zones

Subduction zones are near plate boundaries. As one plate slides beneath the other (subducts) it encounters significant resistance which can build up as unrelieved shear stress until suddenly released by a slip of the subducting plate - resulting in an earthquake.

A forms when magma slowly rises up inside the crater of a larger volcano

lava dome

When two plates collide causing crust to deform but not break it is called

folding

What do only the most violent volcanic eruptions feature

Only the most violent volcanic eruptions feature a pyroclastic flow.

The formation of Karst topography requires carbonic acid to react with

limestone

Only Plinian and Pelean volcanic eruptions feature flow

pyroclastic

The seismic waves in a 6.1 magnitude earthquake are times larger than those in a 3.1 magnitude earthquake

1,000

Which type of mountain forms due to terrane accretion

Arc-continent

How is the transfer of energy as seismic waves related to the frequency and magnitude of earthquakes in an region

how is the transfer of energy as seismic waves related to frequency and magnitude of earthquakes in a region

In the Blair Witch Project what does the pile of rocks mean

Piles of rocks are often used as grave markers.

What is crique

armchair-shaped valleys

Which process usually requires water

Chemical weathering

What forms when a larger volcano collapses in on it itself

It forms a 'caldera'.

Which of these types of weathering requires the presence of water

Oxidation

Which is required for karst topography to form

Limestone

Which of these types of weathering does not require the presence of water

oxidation-apex

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