On average, alcoholics can expect to live 10-12 years less than for nonalcoholics because __________.
a. alcohol has calories, but few vital nutrients
b. long-term consumption destroys liver cells and replaces them with scar tissue
c. alcohol consumption may contribute to cancer
d. All of the above
e. None of the above
Question 2
AIDS is transmitted primarily through __________.
a. blood transfusions
b. physical contact with another person, where skin comes into contact
c. the exchange of bodily fluids by kissing
d. sexual intercourse (especially anal intercourse) and the sharing of needles by drug users
e. breathing the exhaled air of an infected person
Live Mare
Abundant cave art after about 30,000 years ago is evidence of the importance of symbolic behavior fo
The Last 10,000 Years of Greenhouse Gas Concentrations
Adolescence: 12 years or puberty to the beginning of adulthood.
An overlapping record extends back thousands of years of tree ring width
Population age 65 and over and age 85 and over, selected years 1900-2008 and projected 2010-2050.