What should I do when I feel like not studying?

In 4/4 time, two eighth notes are equal to: a.one half of one beat. b.one beat. c.one sixteenth of one beat. d.two beats.

When does a metropolitan area become a megalopolis?

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.