Refer to the Line Graph

question 55

Multiple Choice

Refer to the line graph. In approximately what year did miners begin to earn more than construction workers?

• A)in 1984
• B)in 1982
• C)in 1988
• D)in 1985
• E)in 1990

---

Definitions:

Lewis Acid

A chemical species that accepts an electron pair from a Lewis base to form a Lewis adduct, often involved in catalysis and various chemical reactions.

Base

Substances that accept protons according to the Brønsted-Lowry definition or donate electrons according to the Lewis definition, often part of chemical reactions as reactants.

IR Spectroscopy

A technique used to identify molecular vibrations by measuring the absorption of infrared radiation, useful in determining molecular structure.

N-Butylamine

A primary amine with the formula CH3(CH2)3NH2, used in various industrial and chemical processes.