When sociologists' group people into categories based on their age, gender, education level, job and income, they are trying to determine a)social network
b) social location
c) social personality
d) social skills

24-karat gold is considered to be pure gold. 18-karat gold is considered to be about 75% gold. what is 18-karat gold considered a mixture rather than a pure substance? a) it has a variable composition of other elements and minerals. b) its color is different than pure gold. c) the gold atoms are not arranged in a repeating pattern. d) it can be melted and transformed into a different substance.

To take a standard test such as the psat or plan students must have an

According to erikson's theory, which stage of social development is related to adulthood