With Technological Revolutions in the 20th Century, Demands for Regulation

question 74

Multiple Choice

With technological revolutions in the 20th century, demands for regulation came from

• A)citizens and broadcasters.
• B)the federal government and elected representatives.
• C)foreign nations and broadcasters.
• D)elected representatives and citizens.

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Definitions:

Aa Lava

A type of lava flow with a rough, jagged surface, characterized by its slow movement and thick, viscous nature.

Vesicles

Small holes found in a volcanic rock, representing gas bubbles in a magma that were trapped when the lava solidified.

Welded Tuff

A type of rock formed by the compaction and cementation of volcanic ash and debris, heated enough post-deposition to weld together.

Scoria

A dark gray, black, or reddish volcanic rock that contains abundant vesicles, usually having the composition of basalt or andesite; synonymous with volcanic cinders.