What is a major difference between the British and US governments?

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.

Give an example to prove that your society is developed more than it was before 10 years ?

How much time on average do americans currently spend watching tv and videos per day?