1. | deaths exceeds number of births and also number of emigrants equals number of immigrants |
2. | births plus number of immigrants equal number of deaths plus number of emigrants |
3. | birth plus number of emigrants is more than the number of deaths plus number of immigrants |
4. | birth plus number of immigrants is more than the sum of number of deaths and number of emigrants |
The impact of immigration on population density is:
1. | Negative |
2. | Both positive and negative |
3. | Neutralized by natality |
4. | Positive |