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How are the polar regions of Mercury and the Moon similar?
Birth Rate
A statistical measure showing the number of live births per 1,000 people in a given year, providing insight into population growth trends.
Aging Population
A demographic trend characterized by an increase in the median age of a population, often resulting from declining fertility rates and/or increasing life expectancy.
Fiscal Problems
Financial difficulties faced by a government due to a mismatch between its expenditures and revenues, leading to budget deficits and debt accumulation.
Poverty
The state of being extremely poor, with inadequate access to basic needs such as food, clean water, shelter, and education.
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