Answer:
Overpopulation
Step-by-step explanation:
Overpopulation is a situation in which population exceeds an area's ability to provide necessary services. This leads to a poor standard of living and abject poverty.
Every environment or region have a carrying capacity and if exceeded, there is tension on available resources.
Factors that leads to overpopulation are:
>Immigration: immigration is the movement of people from one place to another. This could be as a result of war or in search of better opportunities.
>High birth rate: when birth rate is not properly checked, a spike in population can occur. This can greatly tip the balance in the carrying capacity of an environment.
> Low death rate: if mortality decreases due to good health facilities, population would increase.
>Natural disasters