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Which type of property can be observed only by changing a substance into a different substance?
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Describe at least two advantages and two disadvantages of using hydropower as a source of energy.
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He nucleus contains the cells genetic material in the form of dna. dna is organized into our chromosomes, which are made up of thousands of that determine our traits.
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In a 28 g serving of cheese curls there are 247mg of sodium. how much sodium is in a 12.5 ounce bag
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Chemistry, 23.06.2019 12:00
Which of the following statements is true? a. most heat energy is easily recovered and used for useful actions. b. friction causes molecules to vibrate more slowly. burning air and gasoline in an c. engine changes chemical energy into mechanical energy. it is impossible to d. change mechanical energy into mechanical energy.
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Which type of property can be observed only by changing a substance into a different substance?...
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