Which statement concerning the change in family structures over the past 40 years is true?
A) The percentage of families headed by a married heterosexual couple had declined from 74 percent in 1960 to 50 percent in 2007.
B) Almost 71 percent of American households in 2007 were headed by individuals living alone.
C) Over 31 of households in 2007 contained unmarried partners.
D) Nearly 27 of all households are interracial
E) None of these choices
Question 2
What did the Bush administration propose to do at Nevada's Yucca Mountain?
A) Station American's anti-ballistic missile defense system there.
B) Use it as America's nuclear-waste disposal site.
C) Build a new university where the brightest American students could study science and technology.
D) Build a new nuclear reactor there that could provide electricity to most of the Southwest.
E) None of these choices
Measurements of solar cycle variation during the last 30 years
Past Human
The risk of dying before the age of 65 gets lower as family income gets higher.
Nasal cartilage and external structures.
Structures of (a) free and (b) DNA-bound forms of BamHI, with DNA shown end-on, in orange
The Impact of Climate Change in the world