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Why is studying Earth evolution through rocks and fossils evidence based rather than only descriptive?

Answer and explanation

Correct answer: They contain concrete clues of old geological and biological conditions

Option A is correct because rocks and fossils preserve observable evidence about earlier stages of Earth’s history. Rock layers can reveal relative sequence, sedimentary environments, volcanic activity, uplift, erosion, and changes in climate. Fossils provide physical remains or traces of past organisms and help show biological change through geological time. Scientists compare these records with radiometric dating, stratigraphic relationships, and other evidence rather than relying only on a narrative description. The remaining options are unrelated: rocks and fossils do not increase gravity, generate solar wind, or themselves create the first atmosphere. Their value lies in recording clues that can be examined, compared, and interpreted.

Related tags

RocksFossilsGeological-EvidenceEarth-EvolutionEvolution Of The EarthThe Origin And Evolution Of The EarthGeographyClass 11 Mcq

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