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A country using mainly labor to build a dam instead of using mainly machines is answering the "how" question.
Heavy Metal Music
A genre of rock music characterized by loud, aggressive sound, extended guitar solos, and strong rhythms.
Paradigm Shift
A fundamental change in the basic concepts and experimental practices of a scientific discipline or other professional practice.
Hypothesis
A proposed explanation made on the basis of limited evidence as a starting point for further investigation.
Scientific Method
A systematic methodology for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge based on empirical or measurable evidence subject to specific principles of reasoning.
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