You need to answer this. Make a "t" graph and list the pros/cons.
There is no effect on total world population. The only 2 things that have an effect on world population are births and deaths.
The effect of movement of early people is that the world's population grew.
The effect of movement of early people is that the world's population grew.
It helps the population grow larger
the effect was that people knew there could be people as evil as Hitler in the world and they must kill who ever is like that
the end of the world as we kno it
nothing
The science of demography focuses on the calculation of the world population and its effect on our natural resources.
The world could feed a bigger population.
The population decreases.
The cause of the world's population is sex. The effect of the world's population is that there is great demand for food and water as well as the good things in life, and more and more people demand cars and fridges and air-conditioners. There is not enough electricity and fuel to power all these things, so more coal power stations are opened and the atmosphere gets more carbon dioxide
The population will decrease-- APEX