In which sector of the economy is the person in this image working? A. Quaternary
B. Primary
C. Tertiary
D. Secondary

Is a notification from either a station or an ap that an existing association is terminated. select one: a. all of the above b. disassociation c. association d. reassociation

The modern united kingdom and france, by virtue of most government power being held by the central, national government, are best described as having which form of government? select one: a. definitive b. federal c. unitary d. confederal

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.