The Key Take-Home Message from the Authors' Discussion of Crop

question 28

Multiple Choice

The key take-home message from the authors' discussion of crop circles is that

• A)the cause of some real-world events are unexplainable and unknowable.
• B)hoaxers often impede scientific progress into the understanding of unexplainable events like the English crop circles.
• C)aliens or some form of extraterrestrial being has been trying to communicate with humans for hundreds of years.
• D)critical thinkers must select the simpler of two claims that fit with the available evidence.

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Definitions:

Teres Major

A muscle of the upper limb that helps in the rotation and adduction of the arm.

Pronator Teres

A muscle in the forearm that helps to rotate the forearm palm-downward.

Deltoid

A large, triangular-shaped muscle that covers the glenohumeral joint and gives the shoulder its rounded shape, responsible for arm abduction.

Pronator Teres

A muscle in the forearm that helps rotate the arm inward and bend the forearm at the elbow.