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What is a core sample used for in geology?

A. Locating oil pipelines

B. Evaluating subsurface geological formations

C. Growing plants

D. Measuring air quality

Answer: Option B

Solution (By Examveda Team)

A core sample is a cylindrical section of rock or soil extracted for analysis of subsurface conditions.It helps identify rock type, structure, and mineral content.Correct Answer: Evaluating subsurface geological formations.

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