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The illustration shows a number of changes occurring. What is a chemical change
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Many organs are involved in the processes of keeping the blood and the body clean. when poisonous or harmful substances are in the blood, they are absorbed by the and released in a less harmful form. when wastes are present in the blood, they are filtered out and removed from the body by the
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To maintain asepsis when administering an injection, all parts of the syringe can be handled except the:
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According the inverse square law, doubling the distance from the source of the sound, a speaker, for example, will drop the sound 6 db each time. if you were standing in the back of an auditorium, 32 feet away from a speaker not using any amplification, would you be able to hear a speaker clearly? why or why not?
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How does photosynthesis show the conservation of mass and energy?
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The illustration shows a number of changes occurring. What is a chemical change...
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