The Physical Property Denoting a Mineral's Tendency to Crack Along

question 37

Multiple Choice

The physical property denoting a mineral's tendency to crack along parallel, planar surfaces is known as ___________.

• A) hardness
• B) streak
• C) luster
• D) cleavage

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Definitions:

Randomized Clinical Trials

A study design that randomly assigns participants into experimental or control groups to test the efficacy or effectiveness of therapies or interventions.

Placebo

An inert or non-active substance given to a patient in place of a medication, used in clinical trials to test the efficacy of treatments.

Mentally Impaired

Refers to a condition affecting cognitive functioning, making it difficult for individuals to process information, learn, and engage in everyday activities.

Vulnerable Populations

Groups of individuals who are at greater risk of experiencing health disparities or harm due to socioeconomic, cultural, ethnic, demographic, or health characteristics.