Aunison interval occurs between two notes that are a. one octave apart. b. identical in length. c. played at the same time. d. identical in pitch.

A unison interval occurs between two notes that are (D) identical in pitch. They can also be played at the same time with an identical length one octave apart, however not always necessary.

Goodest should be best

Start with a good stem and on the top put a kinda wiggly line into a circle connecting to the stem then draw some squiggly lines in the circle that should be about 3-2 inches long