INSTRUCTIONS: Choose the Word or Phrase in [ ] Which

question 103

Multiple Choice

INSTRUCTIONS: Choose the word or phrase in [ ] which will correctly complete the statement. Select
-Short-term goals are usually based on a maximum period of [one year | five years].

• A)for the first item
• B)for the second item
• C)if neither item will correctly complete the statement.

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Definitions:

Pyroclastic Column

A vertical column of volcanic ash and gas ejected into the atmosphere during an explosive volcanic eruption.

Fissure Eruption

A volcanic eruption that occurs when magma rises through and erupts onto the surface in a long fissure.

Lava Fountain

A fountain of molten lava propelled into the air by pressure and escaping gases.

Volcanic Dome

A rounded mound formed over a volcanic vent, created by the slow extrusion of viscous lava from a volcano.