Which Best Describes How Volcanoes Erupt

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The islands sit on hotspots that form volcanoes which then break the ocean surface. There are two basic types of volcanoes shield and composite cone.


Third Quarter Volcano Melcs1 3 Science Quizizz

Steam-blast eruptions however can occur with little or.

. Some volcanoes erupt as lava flows but some erupt plumes of rock fragments volcanic glass and gas into the atmosphere. Low viscosity basaltic magma. Some of them such as ash and sulphur dioxide have a cooling effect because they or the.

A line of cliffs formed from eroded. Volcanoes always cause typhoons before they erupt. Most volcanoes provide warnings before an eruption.

Volcanoes are patches on Earth that erupt magma from underneath the Earths chambers. The rocks melt because of plate tectonics. Which of the following best describes composite cone volcanoes.

Definition of extinct volcano. They melt at locations where two. Sep 2 2021.

An extinct volcano has not had an eruption for at least 10000 years and is not expected to erupt again in a comparable time scale of the future. It can also deform the ground surface and cause anomalous heat flow or changes in the temperature and chemistry of the groundwater and spring waters. Volcanoes which are not expected to erupt again is known as extinct volcanoes.

It is a formation of igneous rock that indicates the past presence of molten lava. The rock inside the planet we live on can melt to form molten rock called magma. Volcanoes usually occur in remote places so they rarely affect humans.

Volcanoes are easy to monitor because every one follows the same order of events. Magmatic eruptions involve the rise of magma toward the surface which normally generates detectable earthquakes. This magma is lighter than the rocks.

Volcanoes are difficult to predict because they dont erupt in a straight orderly progression. Which statement best describes volcanoes. Relatively small erupt andesitic magma and are highly explosive.

I have 5 questions on my test so for the people with 5 here are the answers. Volcanos create new landmasses on the surface. The magma upon reaching the surface transforms into ash lava and volcanic gases.

- Nicholas age 3 years and 11 months Northmead NSW. Why do volcanoes erupt. When volcanoes erupt they emit a mixture of gases and particles into the air.

Wed 9 Feb 2011 0732 EST. Over time with many such eruptions a volcano is formed layer by layer.


Volcanic Eruptions Ifrc


Volcanic Eruptions Ifrc


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