Lava Domes Form When High Viscosity Magma with Low Volatile

question 17

True/False

Lava domes form when high viscosity magma with low volatile content cools quickly,forming a hardened dome a few metres to a kilometre or so in height.

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Definitions:

Polarity

The characteristics of a device that exhibits opposite quantities within itself: positive and negative.

Electrostatic Charge

A stationary electric charge built up on the surface of a material, typically caused by contact or friction.

Lightning Arrestor

A protective device that diverts surge voltages from lightning strikes away from electronic equipment or electrical installations, minimizing damage.

Lightning Discharge

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between two clouds, or between a cloud and the ground.