Research Has Shown That Microbial Counts in New Dental Unit

question 2

Multiple Choice

Research has shown that microbial counts in new dental unit waterlines can reach _____ CFUs/ml (colony-forming units per milliliter) within 5 days of installation.

• A)10
• B)500
• C)1000
• D)200,000

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Definitions:

River Terraces

Stepped platforms along a river valley, formed by the river cutting into its own floodplain or valley floor at different times, reflecting changes in water level or flow.

Soil Development

The process by which soil forms from the physical, chemical, and biological weathering of rocks and the accumulation of organic matter over time.

Temperature

A measure of the warmth or coldness of an environment or material, influencing geological processes.

Shearing Zones

Regions of the Earth's crust where rocks are subject to forces causing them to slide past one another, often associated with fault lines.