A Mountaintop Is Made of Limestone Overlying a Layer of Basalt

question 11

Multiple Choice

A mountaintop is made of limestone overlying a layer of basalt. What would be the origin of this mountain?

• A) The limestone would have formed by sediment in a river valley where the river was flowing over basalt.
• B) The limestone would have formed by volcanic outflow and the basalt would have been part of the volcano.
• C) The limestone would have formed at the bottom of an ocean and the basalt would have been part of the oceanic crust.
• D) The basalt would have formed under metamorphosis by the pressure of the limestone that formed by sedimentation on top of it.

---

Definitions:

REM Sleep

A phase of sleep characterized by rapid eye movements, where the most vivid dreams occur, and marked by increased brain activity, resembling that of the waking state.

High Waking Metabolism

Refers to an increased rate of metabolism immediately after waking up, influencing energy levels and weight management.

Free Radicals

Unstable molecules that can cause damage to cells and contribute to aging and diseases due to their reactive nature.

Full Night's Sleep

A period of sleep lasting typically between 7 to 9 hours, considered essential for optimal health and cognitive functioning.