The topic of the passage is that __.A.the control of population is essential to the de

Thetopicofthepassageisthat__.

A.thecontr olofpopulationisessentialtothedevelopmentofanation

B.naturalresourcesareimportanttotheeconomicdevelopmentofacountr y

C.awarenessoftheeffectsofman'sactionsisasimportantaspopulationcontr ol

D.developedcountr iesshoulddomoretoprotectnaturalenvironmentontheearth