Answer:
450 years all in all but it'd take about 1000 years in a landfill
Explanation:
The population will later, cease to exist.
Since the population is experiencing (about) the same rates of immigration and emigration, these 2 factors will not change anything.
A low birth rate and a high death rate means that more people are dying than being born.
Therefore the population will decrease until there is nobody and it will cease to exist.
Answer: snakes and smaller mammals
Explanation:
During early civilization, the main source of fresh water was from a river. Nowadays, we have reservoirs and lakes to get fresh water. <span />