Zero population growth is the maintenance of a population at a constant level by limiting the number of live births to that needed to replace the existing population.
 True
 False
 The China Youth Daily said the 'one child' policy has also allowed many children in the countryside to get a better education because limiting population has somewhat alleviated the strain on the education system.
 True
 False
 China and the United States account for nearly half the increase in world oil demand.
 True
 false 
 i have true for all of them is t,