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What is the correct reasoning chain of cooling and condensation in hydrosphere formation?

Answer and explanation

Correct answer: Earth cooled, water vapour condensed, rain and water bodies formed

The hydrosphere means all the water found on Earth, including oceans, rivers, lakes, groundwater and water vapour. In the early stage, Earth was extremely hot, so water could remain mainly as vapour. As the surface and atmosphere cooled, the vapour could change into liquid water. This basic connection between cooling, condensation and the formation of water bodies is the central idea.

The correct sequence is that Earth cooled first, water vapour condensed next, and the resulting water fell as rain and collected in low areas to form oceans, lakes and other reservoirs. Therefore, option A gives the complete and logical chain. Option B reverses the order of important events, while the red shift and steady-state ideas do not explain hydrosphere formation. The supplied answer is consistent.

Related tags

OriginEvolutionHydrosphereCondensation

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