A beaker contains water and reads 14 ml. A sample of mineral is placed in the beaker and the water leaves rises to 21 ml. What is the volume of the mineral?

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.

What was discussed at the yalta conference

The principle of checks and balances is based on the notion that