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Biology, 29.01.2021 23:50 xdaciax

Wendy washes her hands with antibacterial soap and water. Then she touches the agar in a petri dish with her finger. Agar is made of a type of food that would help bacteria grow. Marcus, April, and Davis wash their hands with three different kinds of antibacterial soap. The petri dishes are kept warm overnight to allow bacteria to grow. The next day the students count the number of bacterial colonies in each dish.

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Wendy washes her hands with antibacterial soap and water. Then she touches the agar in a petri dish...
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