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What information must a person have if they are asked to determine an object's speed? distance and change in position distance and direction period of time and direction distance and period of time
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Asingle atom of an element has 21 neutrons, 20 electrons, and 20 protons. which element is it? ok o z
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Chemistry, 21.06.2019 21:00
Which statement describes evidence of a chemical reaction? a) ice melting eliminate b) water boiling c) lighting a match d) grape juice freezing
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The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland
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Chemistry, 22.06.2019 12:30
Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.
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What information must a person have if they are asked to determine an object's speed? distance and c...
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