In convection, hot gases rise through cooler gases as they travel to the top of the convective zone. once they reach the top of the convective zone, they cool. what happens to these gases next?

Where do most people living in australia and new zealand descend from? a. most people living in australia descend from germany, while most people living in new zealand descend from france. b. most people living in australia descend from spain, while most people living in new zealand descend from ireland. c. most people living in australia and new zealand descend from britan and ireland. d. most people living in australia and new zealand descend from spain and france.