Which Technique Is the Primary One Used by Geologists and Geophysicists

question 3

Multiple Choice

Which technique 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:

Gene Pool

All the alleles of all the genes present in a freely interbreeding population.

Populations

A group of individuals of the same species living and interacting in a particular geographic area.

Mutations

Alterations in the DNA sequence that can lead to changes in the structure and function of proteins produced by genes.

Sexual Reproduction

A biological process where organisms reproduce by combining genetic material from two different cells, typically involving male and female gametes.