Human eyes contain cone cells that help process color and bright light. There are three types of cones: long, medium, and short. In a study, James Fong and his team used a laser technology to activate only the medium cones in participants’ eyes. When they did this, the participants saw a new blue-green color that the researchers then named olo.
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Verbal·Craft and Structure·Text Structure and Purpose
easyWhich choice best describes the overall structure of the text?
A
It discusses some characteristics of cones in human eyes and then discusses a study involving those cones.
B
It explains what the color olo is and then explains how that color was discovered.
C
It mentions three different colors and then mentions the wavelengths associated with those colors.
D
It names different cells in human eyes and then states how they work with cells in a different part of the body.