Pumice Is

question 35

Multiple Choice

Pumice is:

• A) frequently found in block form, which is then run onto a rag wheel to polish precious and semiprecious metal alloys in the laboratory
• B) used in coated disks and bonded rotary devices primarily used in finishing procedures
• C) a major component of many prophylaxis pastes used to polish tooth structure, dental amalgam, and acrylic bases
• D) used to smooth enamel, or finish metal alloys and ceramic materials

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Definitions:

Parental Supervision

The act of overseeing or managing children's activities and behavior by a parent or guardian.

Racial-Ethnic Group

People with distinctive racial and cultural characteristics.

Pretend Play

A form of play in which children imagine scenarios and act them out, playing different roles and using objects as symbols.

Imitating Behavior

The act of copying or mimicking the actions, gestures, speech, or mannerisms of another person.