Which of the Following Most Closely Represents the Share of Total

question 17

Multiple Choice

Which of the following most closely represents the share of total U.S. income to the poorest 20 percent of all U.S. families?

• A) 47 percent.
• B) 23 percent.
• C) 10 percent.
• D) 4 percent.

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Definitions:

HCG

Human chorionic gonadotropin (HCG) is a hormone produced by the placenta after implantation.

Neural Tube

The embryonic precursor to the central nervous system, which includes the brain and spinal cord, formed from the folding and closure of a flat sheet of cells in the early embryo.

Neural Groove

A fold in the neural plate during embryonic development, which deepens to form the neural tube, ultimately developing into the central nervous system.

Monozygotic Twins

Genetically identical twins that arise from the division of a single fertilized egg; commonly known as identical twins. Compare with dizygotic twins.