What caused the fall of the Qin dynasty?

Which two characteristics belong to mahayana buddhism. a.followers worship and offer animal sacrifice at festivals b.a followers highest aim is to attain the status of a bodhisattva c.an emphasis is placed on fulfilling sensual pleasure d.this form of buddhism is the most acient for od buddhism that exists today e.followers belive that everyone is capable of attaining enlightenment

Read the paragraph and answer the question that follows: the town of belmond, iowa, needs to add weather sirens. the loud and steady wail would warn citizens of approaching danger. if past history is an indication, the sirens will save hundreds of lives. with a prediction of a deadly storm season, the alert which sentence should be revised to eliminate redundancy? the town of belmond, iowa, needs to add weather sirens. the loud and steady wail would warn citizens of approaching danger. if past history is an indication, the sirens will save hundreds of lives. with a prediction of a deadly storm season, the alert system is needed immediately.

Why are the majority of the world's economies mixed? what may happen to the "pure" types of economies (traditional, socialist/command, market capitalist) when they incorporate elements from other economic models?