GIÁO DỤC TRÍ TUỆ TRẺ EM LỨA TUỔI MẦM NON

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.

How did the aztec culture benefit spain when they were conquering the aztecs?

People of french origin make up about of the canadian population. 23 percent 50 percent 1 percent 76 percent