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Physics, 16.12.2020 20:20 sindy35111
An experiment was designed to study the effect of caffeine on the
heartbeat of puppies. Two litters of black Labrador puppies were used.
These puppies were the same age, gender, and size. Litter A was given
caffeine and Litter B was not. The heartbeats of the puppies were
measured every hour for five hours. What is the control group in this
experiment? *
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Answers: 3
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An experiment was designed to study the effect of caffeine on the
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