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Chemistry, 21.06.2019 14:20
Which is true of chemicals? a. things containing chemicals always cost a lot of money. b. chemicals are never dangerous. c. chemicals are in many substances in a home. d. chemicals are rarely found on earth.
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Chemistry, 21.06.2019 18:00
Write a net ionic equation to show that hydrofluoric acid, behaves as an acid in water.
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The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?
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Modern weaponry has increased the number of deaths in wars and violent conflicts.
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Asextant is an instrument used to measure the angle between any two visible objects. a. true b. fals...
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