I don't know because your in high school
Wood is not a pure substance it is a mixture, because it is composed of compounds such as cellulose, hemicelluloses, and lignin which are made up of elements such as carbon, hydrogen, and oxygen.
Hope this helps
Sparks’ car or Jones’ car. Hope this helps!
Answer:
You can use this as a opening line, "Summer vacation ended, and hell began all over again."
It may be not well received though.