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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.

Which are components pf a political party? why do we need political parties give reason.

Many scholars and observers have argued that the ratification of the fourteenth amendment to the constitution has become the single most important act in all of united states politics. (a) identify which provision of the fourteenth amendment was applied to the following supreme court cases. for each case, explain the significance of the decision in united states politics. ' mapp v. ohio (1961) ' gideon v. wainwright (1963) (b) identify which provision of the fourteenth amendment was applied to the following supreme court cases. for each case, explain the significance of the decision in united states politics. ' brown v. board of education (1954) ' baker v. carr (1962) ' regents of the university of california v. bakke (1978)