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1. The sun is at the center of the universe. 2.Earth was the center of the universe. 3.The theory is based on the idea that an explosion did not occur 4.Ancient people lacked modern instruments and tools to gather information. 5.Galaxies are moving away
Natalie is 100% right
Silane pointing point = −112 °C, 161 K, -170 °F Phosphine boiling point = -125.9°F (-87.7°C) PHOSPHINE HAS A LOWER BOILING POINT!!!! ARE YOU SURE THE ANSWERS ARE RIGHT?
d) should read 517, not .517

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