What is the most important variable in reconstructing ancient climate?

The physical processes that create most of earth's physical features, including mountains, are known as

Over half of the african-american population in the united states live in

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