8.
which onc olthe following gives the best
definition of an age group?

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 are decisions by the supreme court under chief justice john marshall strengthened federal power

How important is it to have a powerful army and navy? give two reasons for your answer