Marginal physical product (MPP) is: A. Quantity supplied divided by price
B. Is always the same as total product
C. The change in total output when one additional unit of input is employed
D. Output divided by input

Is the weather changing? consider the data of severe weather that includes tornadoes occurring throughout the u. s. over the last four years. compare the severe weather for the last three years. then compare the first three months of 2017 with that data. based on previous years, what might the prediction be for weather during 2017?