At a Historic Civil War Battleground, a Stack of Cannonballs

question 111

Multiple Choice

At a historic Civil War battleground, a stack of cannonballs looked like the picture below on the far left. Removing the top cannonball resulted in the middle view, and removing the next layer resulted in the view on the right. What sort of packing was used in stacking the cannonballs?

• A) cannonball closest-packed
• B) hexagonal closest-packed
• C) cubic closest-packed
• D) random-packed
• E) body-centered closest-packed

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Definitions:

Transduction

The process by which sensory receptors convert external stimuli into neural signals that can be interpreted by the brain.

Spectrum

A range or continuum within which objects, values, or phenomena possess a particular characteristic to varying degrees.

Lemon

A yellow, acidic fruit of the citrus family, known for its sour taste and high vitamin C content, often used in cooking and beverages.

Yellow Wavelengths

The segment of the light spectrum that is perceived by the human eye as yellow, typically around 570–590 nm.