Examlex
Write the word or phrase that best completes each statement or answers the question.
-In his algebra class, Rob has scores of 79, 85, 81, and 65 on his first four tests. To get a grade of C, theaverage of the first five tests must be greater than or equal to 70 and less than 80. Solve an inequality tofind the range of scores that Rob can earn on the fifth test to get a C.
Rods
Specialized cells in the retina of the eye that are responsible for vision in low light conditions.
Light and Dark
Refers to the natural or artificial illumination (light) and its absence (dark), influencing biological and psychological processes.
Absolute Threshold
The minimum stimulus intensity needed to detect a particular stimulus 50% of the time.
Stimulation
The act of provoking or causing a response in an organism, organ, or tissue through external or internal means.
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