During the last twenty years, which category of the U.S. population has experienced the largest gains in average income?
a. The lowest-paid 20 percent
b. The middle 20 percent
c. The highest-paid 20 percent
d. All income categories have experienced about the same level of upward social mobility.
Question 2
During the last three decades, the real income of African American families in the United States has ________
a. gone down a lot.
b. kept pace with the gains made by white people.
c. gone up a lot.
d. changed very little.
Feral Jackson's Chameleon from a population introduced to Hawaii in the 1970s
This older woman is exploring new avenues of enjoyment as she avoids stagnation in her later years
Uranus revolves around the Sun once every 84 Earth years. Its average distance from the Sun is rough
The Last 10,000 Years of Greenhouse Gas Concentrations
The population of a city has continued to grow since 1950.
Trends in employed mothers with a child/children younger than 3 years of age