The diagram below shows three plants hanging over a table. A student watered the plants and observed water on the top of the table. The next day, the student noticed that there was no water on the table. What process had occurred in the example above?

A
Condensation

B
Erosion

C
Evaporation

D
Precipitation

An economic term that describes happiness and its hard to measure in numbers is

Which type of evidence would support the author's claim?

Mankiw attributes – chapter 1 and his 10 principles – differences in living standards within a countryover time and across countries at a moment in time to: a. the presence or absence of inflation and unemployment.b. the allocation of resources between private markets and the public sector.c. those that have dealt successfully with the efficiency v. equality tradeoff and those that haven’t.d. differences in productivity.e. ones that think at the margin and respond to incentives and those that don’t.