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Which analysis of origin of life supporting conditions on Earth is least scientific?

Answer and explanation

Correct answer: All changes happened due to one cause

The direct answer is A: saying that all changes happened due to one cause is the least scientific analysis. Earth became suitable for life through several connected processes, not through one simple event. Differentiation helped heavy materials move inward and lighter materials move outward, helping form an internal structure. Cooling and other processes allowed the crust, atmosphere and hydrosphere to develop. Water provided an important medium for chemical reactions related to early life. Later, photosynthesis changed atmospheric oxygen over long periods. Step by step, these facts show a chain of interacting causes. Option A is correct because it oversimplifies a complex history and ignores evidence for multiple processes. Option B is scientifically meaningful because differentiation explains internal layering. Option C is reasonable because water supports chemical reactions and life processes. Option D is reasonable because photosynthetic organisms released oxygen, though the change was gradual. Memory cue: Earth’s life-supporting conditions are multi-causal, gradual and interconnected.

Related tags

Scientific Analysis MulticausalEvolution Of The EarthThe Origin And Evolution Of The EarthGeographyClass 11 Mcq

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