Preface: this distinction prevailed until august 2006, when the international astronomical union (iau), prompted by pressure from the professional community of planetary scientists as well as from the general public, brought pluto's planethood to a vote at a triennial general assembly in prague, czech republic. the result? pluto was formally downgraded from "planet" to "dwarf planet," thereby to diffuse the negative attention that we had been receiving for six years running. neil degrasse tyson, the pluto files interview: over the years, people started realizing that maybe that kind of makes sense, and six years later, the international astronomical union, they took a vote, and basically they said pluto should be reclassified. so we were, in the end, kind of vindicated. neil degrasse tyson, interview by melissa block, "astrophysicist chronicles battle over pluto" which excerpt from tyson's
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History, 21.06.2019 22:00
Prior to the presence of europeans on the continent, the slave trade in africa a) did not exist in any form. b) was limited to internal trade only. c) included the trans-saharan and indian ocean slave trade. d) was rarely needed due to the lack of an agricultural economy.
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History, 22.06.2019 01:00
Humans during the paleolithic era used fire for each of the following purposes except a. for cooking meat b. for use as a weapon c. for heat and warmth d. for treating animal hides select the best answer from the choices provided
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History, 22.06.2019 12:40
11. what organization was created to unite all african americans in the fight against racial discrimination?
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Preface: this distinction prevailed until august 2006, when the international astronomical union (i...
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