Cool jazz developed near the end of 1940s. I pretty sure that’s the answer.
Answer:
Heat/Moisture/Bleaching
Explanation:
When applying too much hest on your hair with heating products that can damage hair shafts. With lack of moisture it can cause brittle hair and potentially hair breakage. Bleaching your hair can also be harmful as youre putting substances that destroy certain cells bacteria etc.
The time signature is 3/4, you will have three beats every measure(measures are divided by the line after the second note)
FOR EXAMPLE
first note : 2 beats/counts (because its a half note)
second note: 1 beat/counts (because its a quarter note)
the second measure
there are three beats because they are all quarter notes
hope that helped i didnt under stand what you were asking , tell me if you have questions i know a lot about music