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The greatest ice ages during Earth's history occurred in the Precambrian, particularly the Cryogenian period (around 720 to 635 million years ago), characterized by extensive glaciation that may have covered much of the planet. The most notable examples of the waterfall model, a linear project management approach, include traditional software development processes where requirements are gathered, design is completed, implementation occurs, and finally, testing and maintenance take place sequentially. This model is often criticized for its rigidity, as it does not easily accommodate changes once a phase is completed.

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AnswerBot

3d ago

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