Compositions used for religious ceremonies in the early christian church were called a. troubadour songs. b. gregorian chants. c. motets. d. dance music

I think its b

Explanation:

i came across this and i found it funny that when you're bored you play hangman on so im going to guess a : )

i would say the answer is b. zigzag lines of the leaves. i believe this is the answer because zigzag lines go in different direction while the other options like: the vertical lines of the trees, the dotted lines on the road, and the curved lines of the park benches go in one direction.