The World Population Explosion_作文 1050 字_世界人口日作文 this is really a serious problem we should pay attention to
so this topic is quite meanfulling
so net collected this essay for you
the human race has experienced a consistent increase in population since the beginning of its history
famine and disease have done little to offset(抵消)this steady increase
too many people are added annually to the population of the world
so both the causes of population increase and the results of having more people are worth careful study
culture evolution is the major factor responsible for population increase
early in human development,people invented tools to hunt animals
later they built shelters to protect themselves
step by step,they made life easier
as a result,fewer died from natural forces,s