Table 13-16 
-Refer to Table 13-16. What is the marginal cost of the 4th unit of output?
Definitions:
Brain Wave Pattern
The electrical activity in the brain, typically categorized into different types (e.g., alpha, beta) that reflect different states of consciousness or mental activities.
Evolutionary Bases
Fundamental aspects or principles that are explained through the process of evolution, focusing on how evolutionary theory accounts for certain physical, psychological, or behavioral traits.
Rapid Eye Movements
Quick, simultaneous movements of both eyes in the same direction, associated with the REM phase of sleep when dreaming occurs.
Dreaming
A complex experience of images, sounds, ideas, and emotions occurring involuntarily in the mind during certain stages of sleep.
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