A student is inoculating a sterile agar plate with bacteria from a loop.
Why does the student keep the lid of the Petri dish at an angle?

1 )
To prevent condensation collecting on the lid.
2 )
To reduce the chance of bacteria from the agar escaping into the air.
To reduce the number of microbes from the air landing on the agar.
4 )
To stop alcohol from evaporating off the loop.
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