What Is the Evidence for Earth's Interior Being Composed of Regions

question 50

Multiple Choice

What is the evidence for Earth's interior being composed of regions of different density?

• A) continental drift
• B) subduction
• C) differences in the propagation of seismic waves

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Definitions:

Prostaglandins

A group of physiologically active lipid compounds that have diverse hormone-like effects in animals.

Sensory Stimulus

An external or internal event or factor that initiates a sensory response in an organism, leading to a potential change in behavior or physiological state.

Perception

The meaning a brain derives from a sensation.

Sensation

Detection of a stimulus.