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A placebo control group in an experiment would.
Central Nervous System
The division of the nervous system consisting of the brain and spinal cord, which integrates sensory information and directs bodily responses.
Atom
The basic unit of a chemical element, consisting of a nucleus surrounded by electrons.
Neutron
A neutron is a subatomic particle found in the nucleus of an atom, lacking an electric charge and possessing a mass slightly greater than that of a proton.
Electron
A subatomic particle with a negative electric charge, fundamental to chemical bonding and electricity.
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