In the United States and a few European countries, __________ are responsible for a modest, continuing trend toward earlier menarche.
A) increased rates of infectious disease
B) soaring rates of overweight and obesity
C) eating disorders, such as anorexia and bulimia,
D) lack of standardized health care and high poverty rates
Question 2
In industrialized nations, age of menarche __________ per decade from 1900 to 1970.
A) increased by about 1 to 2 months
B) increased by about 3 to 4 months
C) declined by about 3 to 4 months
D) declined by about 5 to 6 months
The extent of acid rain in the United States has decreased.
Living arrangements of older adults in the United States vary widely depending on gender and ...
A fuel pump in a farming area that clearly states the red diesel fuel is for off-road use only ...
Incidence of acute hepatitis B in the United States, 1980–2008.
Income Distribution in the United States, 2009
Fraction of obese individuals by state in 1998 and 2008. In 1998, 42 states had obesity rates below