Chemistry, 23.03.2021 06:30 miayadeliss6910
Which phrase describes an observational study?
A. A study where the scientist changes exactly one manipulated
variable
B. A study where the scientist changes exactly one responding
variable
C. A study where the scientist does not change any manipulated
variables
D. A study where the scientist does not change any responding
variables
Answers: 3
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Which phrase describes an observational study?
A. A study where the scientist changes exactly one m...
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