According to the Model Proposed by Geophysicist J

question 46

Multiple Choice

According to the model proposed by geophysicist J.Tuzo Wilson,hot spots are caused by

• A) friction due to the lithosphere sliding atop the asthenosphere.
• B) unusually dense concentrations of radioactive isotopes at various points in the crust.
• C) hot plumes of mantle material that rise up through cooler,denser surrounding rock.
• D) zones of localized subduction that produce melting of the mantle.

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Definitions:

Meditation

A practice of mindfulness or concentration to achieve a mentally clear and emotionally calm state.

Physiological Arousal

A physical state of heightened alertness and readiness, typically involving increased heart rate, blood pressure, and sensory alertness.

REM Activity

Rapid Eye Movement activity; a phase of sleep characterized by quick movements of the eyes, dream occurrences, and increased brain activity.

Placebo Effects

Positive changes in a person's condition after receiving a treatment with no therapeutic effect, due to their belief in the treatment's efficacy.