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
Western European red deer
Rate of Residential Change, Past Year, in the United States
German and Irish Settlement in the Northeastern United States, 1870
Countries of Origin of Unauthorized Immigrants to the United States
Major Agricultural Crops Produced in the United States, 2011
Nutrias native to South America are abundant in freshwater marshes of the Gulf States. Their populat