asked 32.7k views
2 votes
During a controlled experiment, a scientist isolates and tests

A. a conclusion.
B. a mass of information.
C. a control group.
D. a single variable

asked
User LMG
by
8.0k points

1 Answer

5 votes
it is D. a single variable
answered
User Elhay Avichzer
by
7.8k points
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