The P- Wave Shadow Zone Is Largely the Result Of__________

question 85

Multiple Choice

The P- wave shadow zone is largely the result of__________ .

• A) reflection of P waves from the inner core- outer core boundary
• B) reflection of P waves at the boundary between the inner and outer cores
• C) refraction of P waves deeper into the core upon crossing the mantle- outer core boundary
• D) lower P- wave velocities in the mantle than in the crust

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Definitions:

Groundwater Quality

Refers to the condition of groundwater in terms of chemical, physical, and biological characteristics, often relating to its suitability for a specific use like drinking or irrigation.

Exploratory Well

A drilling operation carried out to find out if there are any valuable minerals or hydrocarbons present in the subsurface.

Permeable Sands

Sands that allow the passage of fluids through their pores or spaces, often used in filtering and drainage applications.

Granite

A common type of intrusive, felsic, igneous rock which is granular and phaneritic in texture, composed mainly of quartz and feldspar.