The Marked Over-Representation of Runners of West African Ancestry in Sprinting

question 3

Multiple Choice

The marked over-representation of runners of West African ancestry in sprinting is explained sociologically by:

• A) Racism restricting their chances of success in other occupations
• B) An inherent genetic advantage
• C) The continuing successes of black sprinters, which encourages emulation
• D) Both (a) and (c)

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Definitions:

S-Wave Amplitude

The measure of the height of the secondary or shear waves, which are one type of seismic wave produced by earthquakes.

Strike-Slip Faults

Faults where two blocks of crust slide past each other horizontally, with little vertical motion.

Plate Boundary

The margin or border between two tectonic plates, which can be characterized by seismic activity, volcanism, and distinct geological formations.

Subduction Zone

A tectonic plate boundary where one plate moves under another and is forced into the mantle, typically creating earthquakes and volcanic activity.