The Auroras in the Upper Atmosphere Are Caused by

question 90

Multiple Choice

The auroras in the upper atmosphere are caused by

• A)the interaction of electromagnetic energy with atmospheric gases.
• B)AM radio broadcasts.
• C)various weather phenomena.
• D)the interaction of the solar wind and atmospheric gases.
• E)interaction of television broadcast waves with the magnetosphere.

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Definitions:

Composite Volcano

A volcano known for its explosive outbursts, made up of alternating strata of ash and lava.

Convergent Boundary

A region where two or more tectonic plates are moving toward each other, often causing one plate to slide beneath the other.

Subduction Zone

A region of the Earth's crust where one tectonic plate moves under another, leading to volcanic activity, earthquakes, and the formation of mountain ranges and oceanic trenches.

Andesite

A volcanic rock of intermediate composition, typically grey or bluish-grey, composed mainly of plagioclase and one or more mafic minerals.