________ Occurs When Weathering Concentrates Minor Amounts of Metals Scattered

question 54

Multiple Choice

________ occurs when weathering concentrates minor amounts of metals scattered through unweathered rock into economically valuable concentrations.

• A)Passive collection
• B)Secondary enrichment
• C)Concentration
• D)Hydraulic fracturing

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Definitions:

Vibrates

The act of moving back and forth rapidly in a small movement, often as a result of mechanical action or acoustic energy.

Postural Drainage

A physiotherapy technique used to assist in the clearance of secretions from the airways and lungs by positioning the body in specific ways to utilize gravity.

Chronic Bronchitis

A long-term condition characterized by inflammation of the bronchi in the lungs, leading to persistent coughing and production of sputum.

Inhaler

A medical device used for delivering medication into the body via the lungs, commonly used in the treatment of asthma and chronic obstructive pulmonary disease (COPD).