In an Undisturbed Sequence of Sedimentary Rocks,younger Layers Overlie Older

question 44

Multiple Choice

In an undisturbed sequence of sedimentary rocks,younger layers overlie older layers,according to the principle of

• A) superposition
• B) original continuity
• C) original horizontality
• D) uniformitarianism

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Definitions:

Cones

Photoreceptor cells in the retina of the eye that function best in bright light and enable the perception of color and fine detail.

Dark Adaptation

The process by which the eyes increase their sensitivity to low levels of light, allowing for better vision in the dark.

Rods

Photoreceptor cells in the retina of the eye that are sensitive to low light levels and are primarily responsible for night vision.

Dark Adaptation

The process by which the eyes increase their sensitivity to low levels of light, improving the ability to see in the dark.