When hot ash from a volcanic eruption falls on snow-covered volcanic peaks, the snow melts quickly. Volcanic ash mixed with water flows rapidly downhill, like wet cement. These floods are calledGroup of answer choicesLiquefactionsPyroclastic flowsAsh avalanchesLahars

A Pyroclastic flow is Group of answer choicesan avalanche of hot gases and volcanic asha muddy flash-flood of ash and watera sudden landslide on the side of a volcanoa river of glowing-hot lava

Stratovolcanoes, like Mt St. Helens and Mt. Rainier, formed through hydration melting and produce magmas that are intermediate in composition. Selected answer will be automatically saved. For keyboard navigation, press up/down arrow keys to select an answer.aTruebFalse

At Yellowstone National Park, caldera-forming eruptions have produced:Selected answer will be automatically saved. For keyboard navigation, press up/down arrow keys to select an answer.aRhyolitebAndesitecBasaltdBoth rhyolite and basalt, as an example of what is called 'bimodal' volcanism.eNone of the above.

Magma that is ejected during a volcanic eruption forms _____ igneous rocks.

A landslide has covered this road in rocks.Recall the type of rock cycle process this natural hazard represents.Compaction and cementationCoolingVolcanic eruptionErosion