There Is Little Substantial Upward Mobility in the U

question 33

True/False

There is little substantial upward mobility in the U.S., and most of what does exist occurs among the highest income levels.

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Definitions:

Organic Compounds

Molecules based on carbon and hydrogen, and often containing other elements, essential to life's processes and found in all living organisms.

First Cells

The earliest forms of life on Earth, thought to have appeared around 3.8 billion years ago, from which all living organisms have evolved.

Chemoautotroph Bacteria

Microorganisms that obtain energy through chemical reactions using inorganic molecules, supporting themselves without needing sunlight or organic nutrients.

Carbon Dioxide

A colorless, odorless gas produced by burning carbon and organic compounds and by respiration, absorbed by plants in photosynthesis.