The role of a control in an experiment is to:
A. prove a hypothesis is correct.
B. ensure the experiment can be repeated.
C. prove that a hypothesis is correct and ensure repeatability.
D. provide a basis of comparison to an experimental group.
Answer:D
The role of a control in an experiment is to:
A. prove a hypothesis is correct. B. ensure the experiment can be repeated. C. prove that a hypothesis is correct and ensure repeatability. D. provide a basis of comparison to an experimental group.