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Luda [366]
3 years ago
12

What are some likely reasons the classroom doorknob is among the least infected areas in a classroom

Biology
2 answers:
Fiesta28 [93]3 years ago
6 0
Brass doorknobs exhibit an effect known as The Oligodynamic Effect.

This property of a metal means that it will react with the amine groups of enzymes or protein found in bacteria, and kill them.

Most heavy metals exhibit this antiseptic ability.
ser-zykov [4K]3 years ago
4 0
That the doorknob isn't used that recently by students, since they don't really use that to study.
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