On edge.nuity that answer should be population growth.
Population growth is the change in size of a group of organisms of the same species over time.
Population growth is the increase in the number of humans on Earth. For most of human history our population size was relatively stable. But with innovation and industrialization, energy, food, water, and medical care became more available and reliable.
Population growth rate refers to the change in population over a unit time period, often expressed as a percentage of the number of individuals in the population at the beginning of that period.
The population growth rate is defined as the ratio between the annual increase in the population size and the total population for that year. The decline in the death rate and an increase in the birth rate due to advanced medical facilities. There are mainly four factors that affect population growth.
The correct answer is option A.
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