Answers by visitors named: CORRECTION

d) should read 517, not .517

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?

Natalie is 100% right

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 from each other, with galaxies farther away moving faster.