The height of the dome at Hagia Sophia (9-5, 9-9) is made possible by what Byzantine architectural device transferring the weight from the dome to the piers beneath rather than the walls? a. the arch
b. the pendentive
c. the column
d. the post and lintel

Which of the following statements best describes the quantity theory of inflation? a.inflation occurs because production cost rise and this cost increase is passed on to consumers in the form of higher prices b. inflation occurs because there is too much money in the economy c. inflation occurs because demand of good and services exceeds existing supplies d. none of these

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Which of the following is the major contributing factor in all landslides? stream erosion precipitation earthquakes gravity sedimentary layers oriented parallel to the slope