At the b___of the 2010s.the population of the world will pas
At the b___of the 2010s.the population of the world will pas
The population of the world has more than doubled in the pas
That's 6000000000!The population of the world is increasing
What's the percentage of black population in the world?
the population of the world still now
The Population of the world become larger
The population of the world ____still_____now.
by 2050,the population of the world will come to the _____ p
_______ will be the population of the world in the year 2000
the world population will past six billion by the end of the
The World Population Explosion
the population of thr world ------ still ------- now