3 years ago

When more than one variable in an experiment is changed at a time, the scientist

Chemistry

1 answer:

dezoksy [38]3 years ago

7 0

Answer:

A. cannot tell which change produced the results.

If more than one variable is changed in an experiment, scientist cannot attribute the changes or differences in the results to one cause. By looking at and changing one variable at a time, the results can be directly attributed to the independent variable

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