Which of These Techniques Is the Primary One Used by Geologists

question 229

Multiple Choice

Which of these techniques is the primary one used by geologists and geophysicists to probe the structure of Earth's core and mantle?

• A) X-ray analysis from satellites
• B) extrapolation of surface features (e.g., mountain chains) into the deep interior
• C) direct sampling of interior rock by deep drilling through the ocean floor
• D) study of the deflection of seismic waves from earthquakes

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Definitions:

Buccal Mucosa

The lining of the cheeks inside the mouth, consisting of a mucus membrane that is important for oral health and the administration of certain medications.

Dark-Skinned

Having a skin color that is richly pigmented, typically described for individuals with higher melanin content in the dermis.

Absorption

The process by which substances are taken up and incorporated into the body, as in nutrient absorption in the digestive tract.

Distribution

The process by which goods, services, or resources are delivered or spread over an area or among a population.