What are the factors of population growth?

Explanation

**Step-by-Step Solution:**

1. **Understanding Population Growth**: Population growth refers to the change in the number of individuals in a population over time. It is influenced by various biological and environmental factors.

2. **Factors Affecting Population Growth**:
- **Natality**: This is the birth rate of a population, which indicates the number of births occurring in a given time period. Higher natality leads to an increase in population size.
- **Mortality**: This refers to the death rate within a population, indicating the number of deaths in a given time period. Higher mortality rates can decrease population size.
- **Immigration**: This is the movement of individuals into a population from other areas. Immigration increases the population size by adding new individuals.
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