<u>Answer:
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Stage 2 and Stage 5 countries typically have high dependency ratios whereas Stage 4 countries typically have a low dependency ratio.
<u>Explanation:
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- Depending on the stage of the demographic transition that the country is in, the dependency ratio of the population is determined.
- Across the globe, these stages are determined based on the data regarding increase and decrease in the population over the years.
- Usually, countries with a high dependency ratio exhibit no or slow growth.
A psychologist.
The root word they both share is psych. By adding ology on the end it will be the study of, which is the word above. To find someone who studies it, we would simply add ologist after the root word, because ologist means someone who studies.