Multiple Choice
Why is it important that an experiment include a control group?
A) A control group provides a reference by which to determine if a particular outcome may reasonably result from the variable being tested.
B) The control group provides a reserve of experimental subjects.
C) A control group is required for the development of an "If ...then" statement.
D) A control group assures that an experiment will be repeatable.
Correct Answer:

Verified
Correct Answer:
Verified
Q26: Which of the following statements describes a
Q27: Strong evidence in support of the common
Q28: The process of science involves testing which
Q29: Approximately what proportion of the carbon dioxide
Q30: Imagine there is a species-specific fishing regulation
Q31: All the living organisms in a particular
Q32: Living things are divided into three different
Q34: A single-celled organism isolated from a deep-sea,hot
Q35: The primary source of energy for producers
Q36: Charles Darwin proposed that "descent with modification"