What are the two acids in the following reaction? NH4+(aq) + HPO42- 
NH3 + H2PO4-
Definitions:
Survival of Society
The ability of a society to maintain itself and continue existing through adapting to changing conditions and challenges over time.
Ability and Talent
Natural aptitude or skill possessed by individuals, often seen as the innate potential that can be developed through practice and learning.
Social Stratification
The hierarchical arrangement of individuals or groups in society based on wealth, power, prestige, or other status indicators.
Kingsley Davis
A prominent American sociologist and demographer known for his theories on population and societal development.
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