Bioanthropologists Can Explain the Variability of All of the Following

question 38

Multiple Choice

Bioanthropologists can explain the variability of all of the following human traits EXCEPT

• A) skin color
• B) nose shape
• C) lip thickness
• D) body build

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Definitions:

Drum Servo Brakes

A type of brake system that uses a servo mechanism to amplify the force applied by the driver, improving braking efficiency especially in heavy vehicles.

Self-energizing

Referring to a mechanism that uses the motion or force of its operation to increase its effectiveness without needing an external power source.

Secondary Shoes

Components of a drum brake system positioned to assist in braking, usually having less wear than primary shoes.

Cast Iron Master Cylinder

A crucial component in a vehicle’s brake system, typically made from cast iron, that uses hydraulic pressure to control brake application.