Down syndrome occurs about once in every how many births?
a. 1,000
b. 700
c. 250
d. 100
e. ?8
b
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Among labor migrant workers, Asian men are the fastest-growing category
Indicate whether the statement is true or false.
Kinship systems describe relationships based partly on biological descent and partly on cultural rules
Indicate whether the statement is true or false
In a number of developing countries today:
a. an increasing number of children under age 14 engage in wage employment. b. children only work on household chores and are not allowed to work in factories. c. children are prohibited by their religion to work for wages. d. an decreasing number of children under age 12 are engaged in wage employment. e. children are being replaced by women as the primary wage earners for the family.
The proportion of young to mature domesticated sheep is much higher than that
among wild sheep. Indicate whether the statement is true or false