Examlex
Which of the following is usually the basis of first attraction to another person?
Food
Nutritious substances that organisms consume or absorb in order to maintain life and growth.
Water
A transparent, tasteless, odorless, and nearly colorless chemical substance that is the main constituent of Earth's streams, lakes, and oceans.
Positive Reinforcement
A process in which presenting a stimulus following a behavior increases the likelihood of the behavior occurring again.
Stimulus
A stimulus is anything in the environment that one can respond to.
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