Median Age of the U. S. Population
In 1850 = 20
In 1900 = 23
In 1950 = 30
In 2000 = 35
In 2050 = 39
Which phrase best describes what is happening to the population of the
United States, according to the chart?

A. The "Manifest Destiny of America"

B. The "unification of America"
C. The "democratization of America"

D. The "graying of America"

Sam and ben have discovered some strange animals living in the woods behind their house. ben is excited because he believes they are marsupials, an animal he's never observed in the wild before. his brother is sure it is not. what feature should the boys consider in deciding whether the animals are marsupials?

When the power of authority is placed in the hands of the wealthy and influential citizens this is known as a(n) i can not do it

In 1914, alabama produced 1.7 million bales of cotton, but three years later produced only 515,000, bales. meanwhile, in georgia, 5.2 million acres of land was dedicated for cotton production in 1914, but by 1923 there were just 2.6 million acres used for growing cotton. all of this was the result of the work of a tiny insect: the boll weevil. alabama and georgia first felt the effects of the boll weevil at different times. what would account for this difference in timing? a) the infestation moved from west to east. b) the infestation moved from east to west. c) georgia had better ways to deal with the problem. d) alabama was further from the insect's point of origin.