Should public policy be used to address wealth inequality?

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.

Gettysburg address question. lincoln uses the images of birth and rebirth in this address. why?

Which of the following was not a result of early humans increasing proficiency at finding food