For an Observer in Valdivia, Chile, at a Latitude of 39°

question 88

Multiple Choice

For an observer in Valdivia, Chile, at a latitude of 39° South, what is the angle between the southern horizon and the south celestial pole?

• A) 23.5°
• B) 45°
• C) 39°
• D) 51°

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Definitions:

Reward System

The brain structures involved in reinforcing behaviors through pleasurable sensations, encouraging repetition of those behaviors.

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A neurotransmitter involved in reward, motivation, and the regulation of mood and movement.

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The act of speaking in front of a live audience with the intention of informing, persuading, or entertaining.