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When transmitting on a single frequency, all transmitters must work in which of the following modes?
Informant
An informant is a person who provides confidential information or intelligence, especially to the police or other authority.
Physical Change
A change in which the form of matter is altered but one substance is not transformed into another.
Chemical Identity
The unique combination of chemical properties and composition that precisely identifies a substance.
State of Matter
A distinct form that different phases of matter take on, traditionally classified as solid, liquid, gas, and plasma.
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