Metal inoculating loops and needles are sterilized before and after use in a desktop incinerator to prevent introduction of unwanted organisms. agar plates are held in a manner that minimizes the exposure of the surface to the environment. these are common practices that are observed while using

Aseptic Techniques

Explanation:

According to my research on studies conducted by medical professionals, I can say that based on the information provided within the question these are common practices that are observed while using proper Aseptic Techniques. These are practices or procedures that are used in order to prevent contamination from various pathogens.

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the correct answer on edgen is:

(c.) prevent the spread of communism.

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