Why is agar medium used in Petri dishes?(1 point)

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Agar medium is used in Petri dishes because agar is a solidifying agent that provides a gel-like surface for the growth of microorganisms. The agar medium allows the microorganisms to grow in a controlled environment and provides them with essential nutrients necessary for their growth and reproduction. The solid surface also allows for the observation and isolation of individual colonies of microorganisms for further study or analysis.
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