You Are a Geologist Detecting S (Secondary)seismic Waves from a Source

question 18

Multiple Choice

You are a geologist detecting S (secondary) seismic waves from a source somewhere else on Earth.You know that these S waves

• A) have traveled in a straight line through Earth from the source to your detector.
• B) have not passed through the center of Earth.
• C) have traveled along the surface of Earth from the source to your detector.
• D) must have originated only a few hundred miles away because S waves tend to attenuate quickly within Earth.

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Definitions:

Adrenaline

A hormone and neurotransmitter also known as epinephrine that increases heart rate, muscle strength, blood pressure, and sugar metabolism, usually released in response to stress.

Glucagon

A hormone produced by the pancreas that raises blood glucose levels by stimulating the liver to convert stored glycogen into glucose.

Glycogen

A multibranched polysaccharide of glucose that serves as a form of energy storage in humans, animals, fungi, and bacteria.

Blood Sugar

A measurement of the concentration of glucose present in the blood.