The Number of Radio Stations in the United States Has

question 17

Multiple Choice

The number of radio stations in the United States has grown from ________ in 1990 to more than ________ today.

• A)100; 250
• B)200; 300
• C)300; 1,000
• D)400; 2,000

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Definitions:

Combustion

A chemical reaction that occurs between a fuel and an oxidant, producing heat and often light.

Nonane

Nonane refers to an alkane with the chemical formula C9H20, consisting of a chain of nine carbon atoms.

Molecular Formulas

Notation used to represent the quantity and type of atoms present in a molecule, without displaying bonding or structure.

Sawhorse Structure

A pictorial representation used in chemistry to visualize the spatial arrangement of bonds and atoms in a molecule, providing a three-dimensional perspective.