How can we be happy and healthy

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.

Under a tyranny the power to make a political decision is in the hands of a

Why did lincoln inform the confederacy that he would not e sending troops or weapons as food supplies were sent to fort sumter?