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What serious error can occur by ignoring chronology in Earth's evolution?

Answer and explanation

Correct answer: Considering life before the hydrosphere and a favourable atmosphere

The correct answer is A. Chronology means arranging events in their correct time sequence. In Earth’s evolution, the formation and cooling of the planet, development of the crust, condensation of water and formation of the hydrosphere, and establishment of a more suitable atmosphere preceded the emergence and diversification of life. If this order is ignored, one may incorrectly claim that life appeared before the environmental conditions that could support it. Options B, C, and D are not errors: the core is genuinely part of Earth, the crust is a solid outer layer, and the hydrosphere refers to Earth’s water. Therefore, confusing the sequence of environmental development and biological evolution is the serious mistake.

Related tags

ChronologyEarth-EvolutionHydrosphereLifeEvolution Of The EarthThe Origin And Evolution Of The EarthGeographyClass 11 Mcq

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