People with ________ retardation are slow to develop language skills, and their motor development is also affected, although they are capable of learning occupational and social skills and can learn to travel independently to familiar places

The number of deaths of infants under one year old per 1,000 live births in a given year is referred to as the infant ______ rate.

A) mortality B) morbidity C) incidence D) prevalence

In 2008, over __________ of men and women in the US were obese

a) 10% b) a quarter c) a third d) two thirds