Use the Following to Answer Question

question 19

Multiple Choice

Use the following to answer question:

-(Figure: Unemployment Rate over Time) Use Figure: Unemployment Rate over Time.In the time-series graph,as we move from 1993 to 1995,we see that the unemployment rate has _____ from approximately _____% to approximately _____%.

• A)decreased;5;4
• B)increased;5.3;7.3
• C)decreased;7;5.5
• D)increased;4;6.3

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Definitions:

Aniline

An aromatic amine with the formula C6H5NH2, used as a precursor in the synthesis of dyes, drugs, and plastics.

Acid Catalysis

The acceleration of a chemical reaction by an acid, which functions by donating protons (H+ ions) to transitional states or reactant molecules.

Organic Product

A compound derived from living organisms or synthetic processes designed to mimic naturally occurring compounds, often involved in various chemical reactions.

NMR Peaks

The visible peaks in a nuclear magnetic resonance spectrum, each corresponding to a different chemical environment of nuclei in a molecule.