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A Pigeon Pecks on a Sign and Is Given Food

question 51

Multiple Choice

A pigeon pecks on a sign and is given food.The food is a:


Definitions:

Experiment

A procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.

Government Board

A group of appointed or elected members who oversee the activities of a public or governmental organization.

Protocols

Established sets of rules and procedures for conducting scientific experiments, medical treatments, or communications between devices in a network.

Research

The systematic investigation into and study of materials and sources to establish facts and reach new conclusions.

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