Factors such as literacy rate, average family income, infant mortality rate, and life expectancy are used most often to measure a. development b. happiness c. quality of life d. gross domestic product select the best answer from the choices provided. a b c d

:calculate the sum of the interior angles of a 13-sided polygon.

Air masses are characterized by various properties including temperature humidity air pressure and wind speed. which of the following air masses is associated with low relative humidity and high air temperature ?

Which statement explains what upwelling causes? a. upwelling causes tides to rise and fall. b. upwelling causes changes in the direction of currents. c. upwelling causes nutrients, minerals, and tiny organisms to rise. d. upwelling causes currents in the pacific ocean to change direction. i think the answer is c.