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An atom has 17 electrons and its mass is 35, calculate the following number of protons, atomic numbers, numbers of neutrons
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Which of the following best summarizes the point of agreement?
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While most people who lived in ancient egypt and the middle east avoided settling in nearby deserts, those regions protected them from their enemies. why do you think this was true?
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[ou.01jthe greatest speed with which any physical object moves is 300,000 km/soundsec. which of the following has a speed of 300,000 km/sec? a.light in water b.light in vacuum c.sound in air. d. sound in water
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Geography, 23.06.2019 17:00
In which direction does the moving force of air flow? a-from warm temperatures to cold temperatures b-to areas of high pressure to areas of low pressure c-east to west d-from high elevations to low elevations
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An atom has 17 electrons and its mass is 35, calculate the following number of protons, atomic numbe...
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