Javier Is Walking Through His Yard in Deep Twilight

question 17

Multiple Choice

Javier is walking through his yard in deep twilight.Which of the following statements most accurately describes the visual system or systems he is using?

• A)He is relying on the photopic system, which is associated with the cones, because cones are sensitive to color.
• B)He is relying on the scotopic system, which is associated with the rods, because rods are more sensitive to light than cones are.
• C)He is relying on the Purkinje shift to adjust to the decreasing levels of light available to his eyes.
• D)He is relying on both the photopic and scotopic systems because it is a time of intermediate light intensity.

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Definitions:

German Government

The political leadership and institutions that govern Germany, including the federal and state levels, following democratic and legal principles.

Austria-Hungary

A multinational empire in Central Europe formed by a dual monarchy of Austria and Hungary, which existed from 1867 until its dissolution in 1918 following World War I.

Triple Alliance

A military coalition formed by Germany, Austria-Hungary, and Italy in 1882, aimed at mutual defense and support in case of attack by other powers.

Italy

A country in Southern Europe, known for its rich history, art, architecture, fashion, and cuisine, and home to the Vatican as well as numerous UNESCO World Heritage Sites.