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question 241

Multiple Choice

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Arrange the numbers above into a pyramid with three in the bottom row, two in the middle and one on top. Follow these guidelines when placing the squares:
All of the numbers in the bottom row should be even.
The two numbers in the middle have a difference of 1.
The top block is a multiple of 15.
Which of the following arrangements corresponds with the directions above?

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Definitions:

Pressure

The force exerted per unit area; in fluids, it is often caused by gravity acting upon the fluid's mass.

Photoreceptors

Specialized cells located in the retina of the eye that are sensitive to light, enabling vision.

Vertebrate Eye

The complex optical organ in vertebrates that enables vision by detecting light and converting it into electro-chemical impulses in neurons.

Layer

A sheet, coat, or level of material, often one of several, that lies over or under another.