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Volcanic cone: Quiz

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Question 1: Explosive eruptions from a vent where the magma is interacting with ________ or the sea (as in an eruption off the coast) produce steam and are called phreatic.
AquiferHydrogeologyRiverGroundwater

Question 2: Spatter cones are typical of volcanoes with highly fluid magma, such as those found in the ________.
NihoaKahoolaweNiihauHawaiian Islands

Question 3: The unconsolidated ash forms an ash cone which becomes a tuff cone or tuff ring once the ash consolidates (see also ________).
TuffTrachyteIgnimbriteBasalt

Question 4: An ash cone is composed of particles of silt to ________ size.
SoilGravelSandClay

Question 5: They are built from particles and blobs of congealed ________ ejected from a single vent.
Igneous rockVolcanoBasaltLava







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