The Indus Valley people excelled in

How might reuionfucation of east and west germany in 1990 have been imporant turning point for the soilvet union

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.

Those with high self-esteem are highly critical of their strengths and weaknesses. true or false