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The arrangement of oxygen atoms around a silicon atom in SiO44- is ________.
Middle-income Recipients
Individuals or families whose income level falls in the middle range of the socioeconomic spectrum in their society.
Workforce
The total number of people employed or seeking employment in a country or specific sector.
Payroll Tax Payments
Payments made based on wages and salaries to fund social security, healthcare, and other government benefits.
Social Security Retirement System
A government program that provides retirement, disability, and survivors benefits, funded by payroll taxes.
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