The Major Chemical Constituent of the Layers of Material Continuously

question 125

Multiple Choice

The major chemical constituent of the layers of material continuously being deposited on the surface of Io, the innermost moon of Jupiter, by "volcanic" action is

• A) hydrogen.
• B) sulfur.
• C) silicate dust and rock.
• D) water.

Describe harm reduction and behavior modification strategies in coping with substance use.

Recognize the models of alcoholism and their implications for treatment.

Understand the prevalence and demographics of substance use in different populations.

Understand the concept and influence of expectations on behavior (self-fulfilling prophecy).