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The employer is responsible for assuring proper use of employee-owned respiratory protection equipment.
Archaea
A domain of single-celled microorganisms that are similar to bacteria but have unique genetic, biochemical, and physiological characteristics.
Bacteria
Microorganisms that are often single-celled, which can be found in various environments, and can have beneficial or harmful effects on other organisms.
Protobionts
Hypothetical precursors to living cells, consisting of self-organized spheres of organic molecules, instrumental in the origin of life.
Heterotrophs
Organisms that obtain their energy by consuming other organisms, unable to produce food internally.
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