What are the two main categories of factors causing climate change

Surplus discretionary travel direct money is what's available after paying for the necessities of life

Distance that the transcontinental railroad covered from omaha to san francisco.

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