Answer:
1) Bar lines are <u>vertical</u> lines that <u>divide</u> measures.
2) Bar lines are <u>horizontal</u> lines that <u>end</u> measures.
Explanation:
Sheet Music: A bar line are the vertical lines that divide the staff into measures.
Implementation in Music: Bar lines are used to divide music into measures and usually occur at the end of each musical phrase.
Reading Bar Lines: In music notation, a bar line is a horizontal line that indicates the end of a measure. Bar lines are placed at intervals of measures, and they usually correspond to musical phrases or sections.
Hope this helps.
