Which of these choices was the first dynasty to unite areas of modern-day china?

Drag and drop a statement or reason to each box to complete the proof. statement reason △abc , de⎯⎯⎯⎯⎯∥ac⎯⎯⎯⎯⎯ given corresponding angles postulate △bde∼△bac babd=bcbe polygon similarity postulate ba=bd+dabc=be+ec bd+dabd=be+ecbe substitution property of equality bdbd+dabd=bebe+ecbe addition of fractions 1+dabd=1+ecbe simplify. dabd=ecbe subtraction property of equality

According to the earth science reference tables, during which geologic time period were the continents of north america,south america, and africa closest together?

Which of the following statements is most likely a characteristic of an authoritarian government in africa