I believe it would be parent material, but im not sure if thats an option...?
Answer:
Rock
Explanation:
Rock music and jazz music are two very different things. Rock music is loud and intense, whereas jazz music is usually very calm and chill. I hope this answer works for you!
Don't need to mark this answer as brainliest or anything, I'm just glad that I got to help you.
True because it true hope I help
They stop arguing with the americans and gave them respect
I believe the answer is: 4. They require a large sample size.
The data required in a longintudinal study is taken by examining the sample population for a long period of time, as they develop over the years. The amount of population in such studies is usually really small, but the amount of time needed for start to finish is the one that become the main problem among researchers