The best answer would probably be observation because a hypothesis and theory is not always reliable. an observation describes what IS happening during the experiment.
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physichal is like ripping paper chemical change is like boiling an egg or burning a log or rusting nails the atoms and chemical strains change
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A compound contains atoms of different elements chemically combined together in a fixed ratio. An element is a pure chemical substance made of same type of atom. ... Compounds contain different elements in a fixed ratio arranged in a defined manner through chemical bonds.
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B. Fire let humans increase their energy use tenfold
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Trust :)))
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In the first level courses in human anatomy and the related health sciences, bone marks and bone features (including the proper terms for their description) are also important. To interact efficiently with practitioners interested in healthcare, science, forensics and related fields, it is important to be familiar with the language used for bone markings.
