Exam (elaborations)
SDSU Ocean 100 Final SacramentoGrilo Questions and Answers 100% Solved correctly
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origin of earth - Answer-• Supernova: death of a star (great explosion) • Supernova happened 4.6 bya, dust and gas flattens to a disk and spins faster due to gravity and solar nebula formed. • Solar Nebula: describes formation of Earth 4.5 bya • Nebula: gas cloud origin of oceans - Ans...
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