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Chemistry, 21.06.2019 23:00
The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is call
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Chemistry, 22.06.2019 08:30
Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?
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Chemistry, 23.06.2019 03:00
Analyze the reaction to determine whether the reaction is exothermic or endothermic. explain your reasoning.
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The planetary surface winds and air currents near earth’s equator are usually...
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