Which of the Following Groups of Industrial Minerals Are Commonly

question 69

Multiple Choice

Which of the following groups of industrial minerals are commonly used as abrasives?

• A) corundum, diamond, and garnet
• B) talc and graphite
• C) kaolinite and gypsum
• D) molybdenite and galena

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Definitions:

Longitudinal Study

A research design that involves repeated observations of the same variables (e.g., individuals) over short or long periods of time, often many years.

Independent Variable

In an experimental setting, the variable that is deliberately changed or manipulated to observe its effect on the dependent variable.

Dependent Variable

In research, the variable that is measured and is expected to change as a result of changes in the independent variable.

Risk Factors

Attributes, characteristics, or exposures that increase the likelihood of a person developing a disease or injury.