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Biology, 06.10.2021 01:00 erjalinalii

Michael grows the same bacteria in 20 Petri dishes. He places 10 of the dishes in a container with a normal atmosphere (normal oxygen levels). The remaining dishes he places in a
container in which the oxygen level is double the normal level. He labels the first group "A"
and the second group "B".

What is the independent variable, the dependent variable, what were the constants in the name experiment?

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