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In a cold pack, which type of reaction draws heat from the surroundings?
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In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit
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Ineed to find the answer of this question because i dont understand it
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As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit
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In a cold pack, which type of reaction draws heat from the surroundings?...
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